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Asbestos Exposure Sites Of Ohio

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  • #1 PLANT – CLEVELAND
  • 3RD ST. STATION – DAYTON
  • 4TH AND WALNUT CENTER – CINCINNATI
  • 5TH 3RD UNION TRUST BUILDING. – CINCINNATI
  • A E BURKHARDT AND CO. – CINCINNATI
  • A I RESEARCH – NEWARK
  • A M BYERS AND CO – GIRARD
  • A. H. PUGH PRINTING CO. – CINCINNATI
  • A. I. ROOT CO – MEDINA
  • A.C. HUMKO – COLUMBUS
  • A.K. PROPERTY CORPORATION – WOOSTER
  • A.S. TAFT POWER BUILDING – CINCINNATI
  • ABB AUTOMATION/BAILEY – WICKLIFFE
  • ABITEC CORP – COLUMBUS
  • ACME MACHINERY CO. – CLEVELAND
  • ACME POWER CO. – TOLEDO
  • ACME STATION – TOLEDO
  • ACME WET WASH LAUNDRY – CANTON
  • ADAMS SCHOOL – YOUNGSTOWN
  • ADDRESSOGRAPH-MULTIGRAPH CORP – CLEVELAND
  • ADVANCE BAG CO. – MIDDLETOWN
  • AE STALEY MANUFACTURING CO – PAINESVILLE
  • AEP GAVIN PLANT – CHESHIRE
  • AEP GEN. JAMES A. GAVIN PLANT – CHESHIRE
  • AERONAUTICS – CLEVELAND
  • AEROPRODUCTS DIV GMC – VANDALIA
  • AEROQUIP REPUBLIC RUBBER – YOUNGSTOWN
  • AETNA EXPLOSIVE CO – GORS
  • AETNA IRON AND STEEL CO – BRIDGEPORT
  • AETNA PAPER CO – DAYTON
  • AETNA RUBBER CO – SANDUSKY
  • AETNA STAND IRON AND STEEL CO – BRIDGEPORT
  • AETNA STANDARD INS. CO. – BRIGEPORT
  • AETNA STANDARD IR CORP. – MUIGO JCT.
  • AETNA STANDARD J AND S CO – MINGO JCT
  • AIR NITRATES CORP – CINCINNATI
  • AIR SERVICE COMMAND – FAIRFIELD
  • AIRCRAFT BRAKING SYSTEMS – AKRON
  • AK STEEL – ZANESVILLE
  • AK STEEL CORP – MIDDLETOWN
  • AKRON AND CUYAHOGA FALLS R.I. CO. – AKRON
  • AKRON BREWING CO – AKRON
  • AKRON CITY HOSPITAL – AKRON
  • AKRON COAL CO – LORE CITY
  • AKRON CUYAHOGA FALLS R. I. CO. – CUYAHOGA FALLS
  • AKRON ELECTRIC CO – AKRON
  • AKRON GAS CO. – AKRON
  • AKRON GENERAL HEALTH – AKRON
  • AKRON GENERAL HOSPITAL – AKRON
  • AKRON HEATING AND VENTILATING. CO. – AKRON
  • AKRON IRON CO – AKRON
  • AKRON MILLING MINING AND MANUFACTURING. CO. – AKRON
  • AKRON RUBBER RECLAIMING CO. – AKRON
  • AKRON ST. RAILWAY AND ILLNIG. CO. – AKRON
  • AKRON STEAM HEATING CO. – AKRON
  • AKRON THERMAL – AKRON
  • AKRON TOWER SUPPLY CO – AKRON
  • AKRON WATER WORKS CO. – AKRON
  • AKRON, BEDFORD AND CLEVELAND RAILWAY CO. – CUYAHOGA FALLS
  • AKWELL CORP – AKRON
  • ALBERT BESS – HAMILTON
  • ALBERT KAHN ASSOCIATED ARCHITECTS AND ENIGINEERS INC. – SANDUSKY
  • ALBERT R. HOSTETTER CO. – DAYTON
  • ALCOA – CLEVELAND
  • ALFRED A. POPE BUILDING. – CLEVELAND
  • ALKALI RUBBER CO – AKRON
  • ALLEN AND WHEELER CO. – ELDEAN
  • ALLEN PRODUCTS CO – CLEVELAND
  • ALLIANCE COLD STGE. AND PACKG. CO. – ALLIANCE
  • ALLIANCE GAS AND POWER CO. – ALLIANCE
  • ALLIANCE RESEARCH CENTER – ALLIANCE
  • ALLIANCE TUBULAR PRODUCTS – ALLIANCE
  • ALLIED CHEMICAL – FOSTORIA
  • ALLIED CHEMICAL & DYE CORPORATION – TRONTON
  • ALLIED CHEMICAL AND DYE COMPANY – IRONTON
  • ALLIED SIGNAL – FOSTORIA
  • ALLIS CHALMERS MANUFACTURING CO – NORWOOD
  • ALMS AND DOEPKE CO. – CINCINNATI
  • ALPHA PORTLAND CEMENT – IRONTON
  • ALTIVITY PACKAGING – MIDDLETOWN
  • ALUMINUM CO OF AMERICA – CLEVELAND
  • AM STEEL AND HOOP CO – YOUNGSTOWN
  • AM STRAWBOARD CO – LIMA
  • AM TOBACCO CO – MIDDLETOWN
  • AM WORKS – CLEVELAND
  • AM. SHEET AND TIN PLATE CO. – MARTINS FERRY
  • AMC CORP JEEP DIV – TOLEDO
  • AMER SHEET AND TIN PLATE CO – MARTINS FERRY
  • AMERICA NUT AND BOLT CO. – CLEVELAND
  • AMERICA SHEET STEEL CO. – NILES
  • AMERICA SHEET TIN PLATE CO. – NILES
  • AMERICA STEEL HOOP CO – GIRIARD
  • AMERICA STRAWBOARD CO. – BARBERTON
  • AMERICA WELDLESS STEEL TUBE CO. – TOLEDO
  • AMERICAN ALUMINUM CO – NEW PORTAGE
  • AMERICAN ART WORKS – COSHOCTON
  • AMERICAN BALL BEARING CO. – CLEVELAND
  • AMERICAN BOOK CO – CINCINNATI
  • AMERICAN BOTTLE CO. – NEWARK
  • AMERICAN BOX CO – CLEVELAND
  • AMERICAN CAN CO – TOLEDO
  • AMERICAN CEREAL CO – AKRON
  • AMERICAN CLAY MACHINERY CO. – BUCYRUS
  • AMERICAN COATING MILLS – MIDDLETOWN
  • AMERICAN CYANAMID CO – HAMILTON
  • AMERICAN DIAMALT CO. – RIVERSIDE (CINCINNATI)
  • AMERICAN ELECTRIC POWER SERVICE CORP – BRILLIANT
  • AMERICAN ENCAUSTIC TILING CO. – ZANESVILLE
  • AMERICAN ENVELOPE CO – WEST CARROLLTON
  • AMERICAN FIBERBOARD – MIDDLETOWN
  • AMERICAN FORGE AND MACHINE CO. – CANTON
  • AMERICAN FORK AND HOE CO. – GENEVA
  • AMERICAN GAS AND ELECTRIC CO. – LIMA
  • AMERICAN GREETINGS INC. – CLEVELAND
  • AMERICAN HARD RUBBER CO – AKRON
  • AMERICAN METAL – CAMBRIDGE
  • AMERICAN MOTORS CORPORATION – TOLEDO
  • AMERICAN MUNICIPAL POWER OHIO, INC. – MARIETTA
  • AMERICAN OAK LEATHER CO – CINCINNATI
  • AMERICAN PAD AND TEXTILE CO – GREENFIELD
  • AMERICAN PORTLAND CEMENT CO – CINCINNATI
  • AMERICAN RADIATOR AND STANDARD SANITARY CORP – TIFFIN
  • AMERICAN ROLL AND FOUNDRY CO – CANTON
  • AMERICAN ROLLING MILL COMPANY – MIDDLETON
  • AMERICAN RUBBER AND TIRE CO. – AKRON
  • AMERICAN SEEDING MACH. CO. – SPRINGFIELD
  • AMERICAN SEWER PIPE CO. – BARBERTON
  • AMERICAN SHEET AND TIN PLATE CO. – CAMBRIDGE
  • AMERICAN SHIPBUILDING CO. – CLEVELAND
  • AMERICAN SHIPYARDS – TOLEDO
  • AMERICAN STEEL AND WIRE CO. – NEWBURGH
  • AMERICAN STEEL CASTING FOUNDRIES CO. – ALLIANCE
  • AMERICAN STOVE CO – LORIAN
  • AMERICAN STRAW BOARD CO. – LIMA
  • AMERICAN TOBACCO CO. – MIDDLTETOWN
  • AMERICAN TOOL WORKS – CINCINNATI
  • AMERICAN WIRE MILLS – CLEVELAND
  • AMERICN COOK CO. – CINCINNATI
  • ANDREW JERGENS CO – CINCINNATI
  • ANDREWS AND HITCHCOCK IRON CO. – HUBBARD
  • ANDREWS HITCHCOCK IRON CO. – YOUNGSTOWN
  • ANDREWS SOAP CO. – CINCINNATI
  • ANHEUSER BUSCH INC – WORTHINGTON
  • ANN ARBOR RAILROAD CO. – TOLEDO
  • ANNA DEAN FARM – BARBERTON
  • ANSTED AND BURK CO. – SPRINGFIELD
  • ANTIOCH COLLEGE – YELLOW SPRINGS
  • APPLETON PAPERS, INCORPORATED – DAYTON
  • ARHUCKLE RYAN CO. – TOLEDO
  • ARISTECH CHEMICAL CORP – IRONTON
  • ARMCO STEEL CORP. – MIDDLETON
  • ARMCO, INC. – MIDDLETOWN
  • ARMOUR AND CO – ALLIANCE
  • ARMY AIR FORCE – CLEVELAND
  • ARNOLD HOFFMAN CO – CINCINNATI
  • ASHLAND OIL, INCORPORATED – NORTH BEND
  • ASHTABULA "C" PLANT – GENEVA
  • ASHTABULA WATER SUPPLY CO. – ASHTABULA HARBOR
  • ASPHALT BLOCK PAVEMENT CO. – TOLEDO
  • ATHENS STATE HOSPITAL – ATHENS
  • ATLAS LAUNDRY-LINEN SUPPLY – COLUMBUS
  • ATLAS UNDERWEAR CO. – PIQUA
  • ATMOSPHERIC NITROGEN CORP. – SOUTH POINT
  • AUGLAIZE BOX BOARD CO – ST. MARYS
  • AUGUST WAGNER AND SONS BREWING CO – COLUMBUS
  • AUGUST WAGNER BREWERIES, INC. – COLUMBUS
  • AULT AND WILBORG CO. – NORWOOD
  • AULTMAN AND TAYLOR MACHINERY CO – MANSFIELD
  • AULTMAN CO – CANTON
  • AULTMAN HEALTH FOUNDATION – COLESVILLE
  • AULTMAN HEALTH SERVICES – CANTON
  • AULTMAN HOSPITAL – CANTON
  • AULT-WILBONG CO. – CINCINNATI
  • AUSTIN POWDER CO. – FALLS JCTN.
  • AVCI MANUFACTURING CORP, CROSLEY DIV – EVENDALE
  • AVCO CORP. – CINCINNATI
  • AVENTIS PHARMACEUTICALS – CINCINNATI
  • AVON BEACH STATION – AVON
  • AVON LAKE PLANT – AVON LAKE
  • AVON LAKE POWER PLANT PLANT C – AVON LAKE
  • AVON STATION – AVON
  • B AND O RR CO – NEWARK
  • B AND W CO – EAST LIVERPOOL
  • B F GOODRICH CO – MARIETTA
  • B F GOODRICH RUBBER CO – AKRON
  • B P OIL TOLEDO REFINERY – OREGON
  • B.F. GOODRICH COMPANY – CLEVELAND
  • B.F. GOODRICH RESEARCH LAB – BRECKSVILLE
  • B.P. AMERICA INC. – TOLEDO
  • B.P. CHEMICAL – LIMA
  • B.P. OIL – TOLEDO
  • BABCOCK AND WILCOX COMPANY – ASHLAND
  • BAILEY METER CO – CLEVELAND
  • BAKER RAULING CO. – CLEVELAND
  • BAKER WOOD PRESERVING CO. – MARION
  • BALDWIN - LIMA - HAMILTON CORP – HAMILTON
  • BALDWIN CO – CINCINNATI
  • BALDWIN PIANO CO – CINCINNATI
  • BALTIMORE AND OHIO RAILROAD CO – CLEVELAND
  • BALTIMORE AND OHIO RAILWAY CO. – CHICAGO JUNCTION
  • BALTIMORE OHIO RR CO – LORAIN
  • BANDW FOSSIL POWER GENERATION DIVON – BARBERTON
  • BARBERTON CITIZENS HOSPITAL – BARBERTON
  • BARBERTON CITY SCHOOLS – BARBERTON
  • BARBERTON LAND AND HOTEL CO. – BARBERTON
  • BARBERTON LAUNDRY – BARBERTON
  • BARETT DIV ALLIED CHEM AND DYE CORP – IRONTON
  • BARNES MANUFACTURING CO – MANSFIELD
  • BARNEY AND SMITH CAR CO – DAYTON
  • BARRETT BREWING CO – CLEVELAND
  • BARRETT CO – CLEVELAND
  • BARRETT DIVISION – IRONTON
  • BARTLETT BROTHERS CO. – CLEVELAND
  • BASF CORP. – GREENVILLE
  • BAY SHORE STATION – TOLEDO
  • BAY WEST – MIDDLETOWN
  • BAYER CORP GERALD W. LEAS – ADDYSTON
  • BAYER CORP PORT PLASTICS – ADDYSTON
  • BEACH ENAMELING CO. – COSHOCTON
  • BEACH PARK POWER RAILWAY CO. – LORAIN
  • BEACH ST. HEATING – AKRON
  • BEARFOOT SOLE CO INC – WADSWORTH
  • BEAVER COUNTY LIGHT CO – EAST LIVERPOOL
  • BEAVER REMMER PLANT – DAYTON
  • BEBENSBURG POWER CO – BARBERTON
  • BECHTOL CARNEY AND CO – TOLEDO
  • BECKER - SEIDEL CO. – CLEVELAND
  • BECKETT PAPER CO. – HAMILTON
  • BECKFORD PLANT – NEW RICHMOND
  • BECKMAN CO – CLEVELAND
  • BECKMAN SENIOR AND CO – CLEVELAND
  • BELFONT IRON WORKS CO – IRONTON
  • BELLAIRE GAS AND ELECTRIC CO. – BELLAIRE
  • BELLAIRE LIGHT AND POWER CO – BELLAIRE
  • BELLAIRE NAIL WORKS – BELLAIRE
  • BELLAIRE STEEL CO. – BELLAIRE
  • BELMONT BREWING CO – MARTINS FERRY
  • BENDIX – ELYRIA
  • BENDIX-WESTINGHOUSE CO. – ELYRIA
  • BERGER BREWING CO. – CINCINNATI
  • BERGER POWER PLANT – DILLIES BOTTOM
  • BERGR MBG. CO. – CANTON
  • BESSEMER LINESTONE CO. – YOUNGSTOWN
  • BEST FOUNDRY CO. – BEDFORD
  • BETHESDA HOSPITAL – ZANESVILLE
  • BETHESDA OAK HOSPITAL – CINCINNATI
  • BF GOODRICH CO – MARION
  • BGSU PHYS PLANT. C. KUTZLI BOB WIHTMAN – BOWLING GREEN
  • BGSU/MAIN BOILER HOUSE BOB WHILMAN – BOWLING GREEN
  • BIG 4 RAILWAY CO. – BELLFONTAIN
  • BIG FOUR RAILWAY CO. – CINCINNATI
  • BISHOP AND BABCOCK CO – CLEVELAND
  • BLACK AND CLAWSON CO. – HAMILTON
  • BLACK POLLAK IRON CO. – CINCINNATI
  • BLUFFTON COLLEGE – BLUFFTON
  • BLYMER ICE MACHINE CO – CINCINNATI
  • BOARD OF CITY AFFAIRS – CINCINNATI
  • BOARD OF COUNTY COMMISSIONEROF CUYAHOGA CO. – CLEVELAND
  • BOARD OF EDUCATION – ST BERNARD
  • BOARD OF EDUCATION OF CITY OF DAYTON – DAYTON
  • BOARD OF EDUCATION SCHOOL DISTRICT – CINCINNATI
  • BOARD OF MANAGEMENT WATER AND LIGHT DEPARTMENT. – VILLAGE OF GREENFIELD
  • BOARD OF PUBLIC AFFAIRS – ORVILLE
  • BOARD OF PUBLIC SERVICE – DAYTON
  • BOARD OF PUBLIC WORKS – ST. MARY'S
  • BOARD OF TRUSTEE OF PUBLIC AFFAIRS – LONDON
  • BOARD OF TRUSTEES OF ELPOWER WORKS – SHELBY
  • BOARD OF TRUSTEES OHIO BOYS INDUSTRIAL SCHOOL – LANCASTER
  • BOILER HOUSE NUMBER 2 – MIDDLETOWN
  • BORMOT CO – CANTON
  • BOSTON & OHIO RAILROAD – LORAIN
  • BOURNE AND FULLER CO. – CLEVELAND
  • BOURNE-FULLER CO. – CLEVELAND
  • BOWLING GREEN LIGHT AND POWER CO. – BOWLING GREEN
  • BOWLING GREEN STATE UNIVERSITY – BOWLING GREEN
  • BP OIL – LIMA
  • BP OIL CO. – LOMA
  • BRADLEY ELECTRIC LIGHT, HEAT AND POWER CO – CLEVELAND
  • BRAINARD PLUMBING CO – CLEVELAND
  • BRAUN BROTHERS PACKING CO. – TROY
  • BRIAR HILL IRON AND COAL CO – YOUNGSTOWN
  • BRICE DREBER ASYLUM – CLEVELAND
  • BRIER HILL COAL AND IRON CO. – YOUNGSTOWN
  • BRIER HILL IRON AND COAL CO – YOUNGSTOWN
  • BRIER HILL STEEL CO. – YOUNGSTOWN
  • BRIGGS MANUFACTURING. CO – YOUNGSTOWN
  • BRITTON SERVICE CO. – CLEVELAND
  • BROADWAY HIGH SERVICE PUMPING STATION – TOLEDO
  • BROCALSA CHEMICAL CO. – SYRACUSE
  • BROMAID STEEL CO – WARREN
  • BRONSON PORTLAND CEMENT CO. – CLEVELAND
  • BROSE AND BAUMGARTMER – NEW WASHINGTON
  • BROWN BONNELL WORKS – YOUNGSTOWN
  • BROWN BORMELL IRON CO – YOUNGSTOWN
  • BROWN HOISTING MCHY CO – CLEVELAND
  • BROWNE AND FULLER CO. – CLEVELAND
  • BROWNING CO. – CLEVELAND
  • BROWNING ENG. CO. – CLEVELAND
  • BROWNING MANUFACTURING CO – MANSFIELD
  • BRUCKMAN BREWING CO. – CINCINNATI
  • BRUSH ELECTRIC CO – CLEVELAND
  • BUCK POWER, CARDINAL – BRILLIANT
  • BUCKEYE BREWING CO. – TOLEDO
  • BUCKEYE BUMPERS DIV – SPRINGFIELD
  • BUCKEYE CELLULOSE CORP. – DAYTON
  • BUCKEYE CEREAL CO – MASSILLON
  • BUCKEYE ELECTRIC CO. – CLEVELAND
  • BUCKEYE ENGINE CO – SALEM
  • BUCKEYE IRON AND BRASS WORKS – DAYTON
  • BUCKEYE IRON COUPLER CO – SOUTH COLUMBUS
  • BUCKEYE MAL. IRON AND COUPLE CO – COLUMBUS
  • BUCKEYE ORDNANCE OWRKS – SOUTH POINT
  • BUCKEYE ORDNANCE PLANT – SOUTH POINT
  • BUCKEYE ORDNANCE WORKS. – IRONTON
  • BUCKEYE POWER INC. – BRILLIANT
  • BUCKEYE ROLLING MILL CO.. – NEWARK
  • BUCKEYE RUBBER PRODUCTS CO. – CLEVELAND
  • BUCKEYE STEEL CASTINGS CO – COLUMBUS
  • BUCYRUS ELECTRIC LIGHT CO. – BUCYRUS
  • BUCYRUS GAS AND ELECTRIC CO. – BUCYRUS
  • BUFFALO ROAD ROLLER CO – SPRINGFIELD
  • BULLOCK ELE. CO. – CINCINNATI
  • BULLOCK ELEC AND MANUFACTURING CO – EAST NORWOOD
  • BULLOCK WORKS – NORWOOD
  • BUNKER HILL GREENHOUSES INC – MEDINA
  • BUNTING BRASS AND BRONZE CO. – TOLEDO
  • BURGER BREWING – CINCINNATI
  • BURGER STATION – SHADYSIDE
  • BURGESS STEEL AND IRON CO. – PORTSMOUTH
  • BURKE GOLF CO – NEWARK
  • BUSHEY COTTON CO. – COLUMBUS
  • C AND G COOPER CO – MOUNT VERNON
  • C AND S COOPER CO – MOUNT VERNON
  • C E SEARS AND CO – CIRCLEVILLE
  • C. AND G. COOPER AND CO. – MOUNT VERNON
  • C. L. GAUGLER MACHINE CO. – KENT
  • C. SCHMIDT AND SONS INC – CLEVELAND
  • C.C.C. AND ST. L.RAILWAY CO. – BELLEFONTAINE
  • C.E.I. ASHTABULA "C" STATION BIANNUAL – ASHTABULA
  • C.W. RAYMOND CO. – DAYTON
  • CABOT CORP – ASHTABULA
  • CABOT TITANIA CORP. – CLEVELAND
  • CAL-HIO CHEMICAL PLANT – CLEVELAND
  • CAMBRIDGE BREWING CO – CAMBRIDGE
  • CAMBRIDGE DEVELOPMENTAL CENTER – CLAYSVILLE
  • CAMBRIDGE GLASS CO. – CAMBRIDGE
  • CAMBRIDGE STATE HOSPITAL – CAMBRIDGE
  • CAMP AND THOMPSON – CUYAHOGA FALLS
  • CANAAN COAL CO. – CANAANVILLE
  • CANADIAN COPPER CO – CLEVELAND
  • CANAL STEAM STATION – CLEVELAND
  • CANNAN COAL CO. – CANNANVILLE
  • CANTON AND AKRON RAILWAY CO. – NEW BERLIN
  • CANTON BEARING PLANT – COLESVILLE
  • CANTON DROP FORGE – COLESVILLE
  • CANTON DROP FORGING AND MANUFACTURING CO. – CANTON
  • CANTON ELECTRIC CO – CANTON
  • CANTON ELECTRIC LIGHT AND POWER CO – CANTON
  • CANTON FORGE AND AXLE CO. – CANTON
  • CANTON FORGE AND AXLE WORKS – CANTON
  • CANTON HUGHES PUMP CO. – CANTON
  • CANTON LAUNDRY AND CLEANING CO. – CANTON
  • CANTON LIGHT HEAT. AND POWER CO. – CANTON
  • CANTON SAW CO. – CANTON
  • CANTON SCREEN PLANT(TRUSCON DIV) – CANTON
  • CANTON STEEL CO. – CANTON
  • CANTON STEEL FOUNDRY CO. – CANTON
  • CAPITAL CITY PRODUCTS CO. – COLUMBUS
  • CAPITOL SAVINGS AND TRUST CO. ( S A ESSMEIN) – COLUMBUS
  • CARDINAL OPERATING CO – BRILLIANT
  • CARDINAL OPERATION CO. – BRILLIANT
  • CARDINAL PLANT – BRILLIANT
  • CARDINAL POWER STATION – BRILLIANT
  • CARDINAL STATION NO. #3 – BRILLIANT
  • CAREW BUILDING. – CINCINNATI
  • CAREW TOWER BUILDING – CINCINNATI
  • CARGILL, INC TERRY DEAN – DAYTON
  • CARGILL, INC. – DAYTON
  • CARNAHAN TIN PLATE AND SHEET CO – CANTON
  • CARNAHAN TINPLATE WORKS. – CANTON
  • CARNATION CO – HILLSBORO
  • CARNEGIE ILL. STEEL CORP. – CANTON
  • CARNEGIE ILLINOIS STEEL CORP – YOUNGSTOWN
  • CARNEGIE STEEL CO. – YOUNGSTOWN
  • CARNEY PAPER CO. – MAUNREE
  • CARROLL FOUNDRY AND MACHINE WORKS – BUCYRUS
  • CARTHAGE MILLS. INC. – CINCINNATI
  • CASE CRANE AND KILBOURNE JACOBS CO. – COLUMBUS
  • CASE INSTITUTE OF TECHONLOGY – CLEVELAND
  • CASE SCHOOL OF APPLIED SCIENCE – CLEVELAND
  • CASE WESTERN RESERVE – CLEVELAND
  • CASTALIA CEMENT CO – CASTALIA
  • CASTALIA PORTLAND CEMENT CO – CASTALIA
  • CAXTON BUILDING – CLEVELAND
  • CAXTRON BUILDING CO – CLEVELAND
  • CEDAR AVE POWER HOUSE – CLEVELAND
  • CELINA STEARIC ACID CO. – CELINA
  • CENTERIOR ENERGY – ASHTABULA
  • CENTRAL ALLOY CANTON – CANTON
  • CENTRAL ALLOY STEEL CORP – CANTON
  • CENTRAL AVE SHOPS – TOLEDO
  • CENTRAL BRANCH – DAYTON
  • CENTRAL BRANCH NATIONAL HOME FOR D.V.S. – DAYTON
  • CENTRAL FURNACE CO. – MASSILLON
  • CENTRAL HEATING CO. – TOLEDO
  • CENTRAL MARKET ST. RAILWAY CO. – COLUMBUS
  • CENTRAL SILICA CO – GLASSROCK
  • CENTRAL STEEL CO – MASSILLON
  • CENTRAL THOMSON HOUSTON CO. – CINCINNATI
  • CENTRAL UNION DEPOT AND RAILWAY CO – CINCINNATI
  • CENTRAL UNION TELEPHONE BUILDING – COLUMBUS
  • CENTRIA – CAMBRIDGE
  • CH HEINRICKS GREENHOUSE – COLUMBIA STATION
  • CHAFER AND BECHER – CLEVELAND
  • CHAMPAIGN MACHINE AND FORGING CO. – CLEVELAND
  • CHAMPION BAR AND KNIFE CO. – SPRINGFIELD
  • CHAMPION COATED PAPER CO – HAMILTON
  • CHAMPION INTERNATIONAL CORP – HAMILTON
  • CHAMPION MACHINE AND FORGING CO. – CLEVELAND
  • CHAMPION PAPERS, INC. – HAMILTON
  • CHAMPION SPARK PLUG CO. – TOLEDO
  • CHAMPION WORKS – SPRINGFIELD
  • CHAMPLAIN STREET PLANT – TOLEDO
  • CHANDLER PRICE CO – CLEVELAND
  • CHARLES F. KETTERLING MEMORIAL – DAYTON
  • CHARLES G. HARTJE / HARTJE BROTHERS PAPER CO. – TORONTO
  • CHARLES SUCHER PACKING CO. – DAYTON
  • CHAS BOLDT CO – CINCINNATI
  • CHATFIELD MANUFACTURING CO – CARTHAGE
  • CHEASAPEAKE & OHIO RAILROAD – HAMILTON
  • CHEMICAL PRODUCTS CO – READING
  • CHERRY VALLEY IRON WORKS – LEETONIA
  • CHESAPEAKE AND OHIO RAILROAD – TOLEDO
  • CHESAPEAKE OHIO RAILWAY CO OF INDIANA – SUMMIT
  • CHESTNUT ST. POWER PLANT – ST. MARYS
  • CHEVROLET MOTOR DIV GMC – LORDSTOWN
  • CHEVROLET PLANT – BROOKPARK
  • CHEVRON ASPHALT CO – CINCINNATI
  • CHICAGO , INDIANA AND SOUTHERN RAILROAD CO – CLEVELAND
  • CHICAGO AND TOLEDO RAILWAY CO – TOLEDO
  • CHILLICOHIGH SCHOOL – CHILLICOTHE
  • CHILLICOTHE PAPER CO. – CHILLICOTHE (ROSS COUNTY)
  • CHILLICOTHE TIRE AND RUBBER CO – CHILLICOTHE
  • CHITTENDEN HOTEL – COLUMBUS
  • CHRIST HOSPITAL – CINCINNATI
  • CHRISTIAN MOERLEIN BREWING CO. – CINCINNATI
  • CHRYSLER CORP JEEP – TOLEDO
  • CHRYSLER CORPORATION – TOLEDO
  • CHURCH OF CHRIST SCIENTIST – CLEVELAND
  • CINCINATI CHEMICAL WORKS – NORWOOD
  • CINCINNATI ABATTOIR CO. – CINCINNATI
  • CINCINNATI AND COLUMBUS TRACTION CO. – CINCINNATI
  • CINCINNATI AND EASTERN ELECTRIC RAILWAY CO. – CINCINNATI
  • CINCINNATI AND HAMILTON E.L. RAILWAY – MIDDLETOWN
  • CINCINNATI AND HAMILTON ELECTRIC STREET RAILWAY CO. – CLEVELAND
  • CINCINNATI AND NEWPORT RAILWAY CO – CINCINNATI
  • CINCINNATI AND SUBURBAN BELL TELEPHONE CO – CINCINNATI
  • CINCINNATI BREWING CO. – HAMILTON
  • CINCINNATI CAR CO – CINCINNATI
  • CINCINNATI CHEMICAL CO. – CINCINNATI
  • CINCINNATI CHEMICAL WORKS – ST BERNARD
  • CINCINNATI COFFIN CO – CINCINNATI
  • CINCINNATI CORRIGATING CO – CINCINNATI
  • CINCINNATI EDISON ELECTRIC CO. – CINCINNATI
  • CINCINNATI ELECTRONICS – CINCINNATI
  • CINCINNATI GAS AND ELECTRIC CO. – NEW RICHMOND
  • CINCINNATI GAS AND ELECTRIC LIGHT CO. – CINCINNATI
  • CINCINNATI GAS LIGHT AND COKE CO. – CINCINNATI
  • CINCINNATI GENERAL HOSPITAL – CINCINNATI
  • CINCINNATI GYMNASUIM – CINCINNATI
  • CINCINNATI ICE MACHINE CO – CINCINNATI
  • CINCINNATI ICE MANUFACTURING AND COLD STORAGE CO – CINCINNATI
  • CINCINNATI MACHINE – CINCINNATI
  • CINCINNATI MACHINE UNOVA – CINCINNATI
  • CINCINNATI MASONIC TEMPLE CO – CINCINNATI
  • CINCINNATI MILACRON – WILMINGTON
  • CINCINNATI MILLING MACHINE CO. – SOUTH LEBANON
  • CINCINNATI NORTHERN TRACTION CO. – HAMILTON
  • CINCINNATI POST OFFICE- US POST OFFICE – CINCINNATI
  • CINCINNATI REFINERY – CLEVES
  • CINCINNATI RUBBER CO. – CINCINNATI
  • CINCINNATI RUBBER MANUFACTURING. CO. – CINCINNATI
  • CINCINNATI SOAP CO. – DAYTON
  • CINCINNATI SPECIALTIES – CINCINNATI
  • CINCINNATI STREET RAILWAY CO – CINCINNATI
  • CINCINNATI TERMINAL WAREHOUSE CO. – CINCINNATI
  • CINCINNATI TRACTION CO – CINCINNATI
  • CINCINNATI UNION TERMINAL CO – CINCINNATI
  • CINCINNATI WATER WORKS. – CINCINNATI
  • CINCINNATI, GEORGETOWN AND PORTSMOUTH RAILROAD – OLIVE BRANCH
  • CINCINNATI, NEWPORT, AND COVINGTON RAILWAY – CINCINNATI
  • CINERGY – MIAMI FORT
  • CINTI MILFORD AND LOVELAND TRACTION CO – MILFORD
  • CIRCLEVILLE LIGHT AND POWER CO – CIRCLEVILLE
  • CIRCLEVILLE PLANT AL RUSSKOW – CIRCLEVILLE
  • CITIZENS ELECTRIC ST. RAILWAY, LIGHT AND POWER CO. – MANSFIELD
  • CITIZENS LIGHTING AND HEATING CO. – TOLEDO
  • CITY AND SUBURBAN TELEGRAPH ASS'N – CINCINNATI
  • CITY HEAT AND LIGHT CO. – FOSTORIA
  • CITY HOSPITAL – CLEVELAND
  • CITY HOSPITAL OF AKRON – AKRON
  • CITY ICE DELIVERY CO. – CUMMINSVILLE
  • CITY LIGHT AND POWER PLANT – EAST PALESTINE
  • CITY OF AKRON, DEPARTMENT. OF PUBLIC SERVICES – AKRON
  • CITY OF BELLEFONTAINE, OHIO WATER WORKS DEPARTMENT. – BELLEFONTAINE
  • CITY OF CINCINNATI WATER WORKS DEPARTMENT – CINCINNATI
  • CITY OF CLEVELAND BOARD OF PUBLIC SERVICE – CLEVELAND
  • CITY OF CLEVELAND BOYS FARM – HUDSON
  • CITY OF CLEVELAND DIV AVE PUMPING STA – CLEVELAND
  • CITY OF CLEVELAND FAIRMOUNT PUMPING STATION – CLEVELAND
  • CITY OF CLEVELAND WATER WORKS KIRKLAND STREET PUMPING STATION – CLEVELAND
  • CITY OF CLEVELAND, DEPARTMENT OF PUBLIC UTILITIES, DIV LIGHT AND POWER – CLEVELAND
  • CITY OF COLUMBUS, MUNICIPAL ELECTRIC PLANT – COLUMBUS
  • CITY OF DAYTON WATER WORKS PUMPING STA – DAYTON
  • CITY OF HAMILTON OHIO DEPARTMENT OF PUBLIC UTILITIES – HAMILTON
  • CITY OF HAMILTON WATER WORKS DEPARTMENT – HAMILTON
  • CITY OF NORWALK MUNICIPAL LIGHT PLANT – NORWALK
  • CITY OF PAINESVILLE, LIGHT PLANT – PAINESVILLE
  • CITY OF READING MUNICIPAL ELECTRIC PLANT – READING
  • CITY OF ST. BERNARD OHIO DEPARTMENT. OF PUBLIC SERVICES WATER AND ELECTRIC DEPARTMENT. – ST BERNARD
  • CITY OF TOLEDO DEPARTMENT OF P.S. BUREAU OF ENG. DIV OF WATER – TOLEDO
  • CITY OF TOLEDO WATER WORKS – TOLEDO
  • CITY RAILWAY CO. – DAYTON
  • CLARK GRAVE VAULT CO – COLUMBUS
  • CLARK REFINING AND MARKETING INC – LIMA
  • CLEV. WELDING AND MANUFACTURING. CO. – CLEVELAND
  • CLEVELAND ADE MANUFACTURING CO – CARLTON
  • CLEVELAND AKRON BAG CO – CLEVELAND
  • CLEVELAND AND ELYRIA ELECTRIC RAILWAY CO. – CLEVELAND
  • CLEVELAND AND PAINESVILLE ELECTRIC RAILROAD – TOLEDO
  • CLEVELAND AND S.W. RAILWAY CO – NORWALK
  • CLEVELAND AND SOUTH WESTERN TRACTOR CO. – ELYRIA
  • CLEVELAND ARCADE CO. – CLEVELAND
  • CLEVELAND AUTOMOBILE CO. – EAST CLEVELAND
  • CLEVELAND AXLE MANUFACTURING CO – CANTON
  • CLEVELAND BAKERY – CLEVELAND
  • CLEVELAND BEREA ELYRIA AND OBERLIN RAILWAY – ELYRIA
  • CLEVELAND CAP SCREW CO. – CLEVELAND
  • CLEVELAND CINCINNATI CHICAGO AND ST LOUIS RAILWAY CO – SHARONVILLE
  • CLEVELAND CITY CABLE RAILWAY CO. – CLEVELAND
  • CLEVELAND CITY FORGE AND IRON CO – CLEVELAND
  • CLEVELAND CITY RAILWAY CO – CLEVELAND
  • CLEVELAND CLIFFS IRON CO – CLEVELAND
  • CLEVELAND CLINIC – CLEVELAND
  • CLEVELAND CLINIC FOUNDATION – CLEVELAND
  • CLEVELAND CLINIC HOSPITAL – CLEVELAND
  • CLEVELAND CRANE AND ENGINEERING CO. – WICKCLIFF
  • CLEVELAND CRANE DIV MCNEIL MACH AND ENG CO – WICKLIFFE
  • CLEVELAND DIESEL ENG WORKS DIV GM CORP – CLEVELAND
  • CLEVELAND ELECTRIC ILL CO. – AVON LAKE
  • CLEVELAND ELECTRIC ILL. CO. – AVON
  • CLEVELAND ELECTRIC ILLUMINATING CO. – ASHTABULA HARBOR
  • CLEVELAND ELECTRIC LT CO. – CLEVELAND
  • CLEVELAND ELECTRIC RAILWAY CO – CLEVELAND
  • CLEVELAND ELYRIA AND WESTRN RAILWAY – ELYRIA
  • CLEVELAND ELYRIA ELECTRIC RAILWAY CO. – ROCKPORT
  • CLEVELAND ENERGY RESOURCE – CLEVELAND
  • CLEVELAND FAUCET CO. – CLEVELAND
  • CLEVELAND FAUNDRY CO – CLEVELAND
  • CLEVELAND FOUNDRY CO – CLEVELAND
  • CLEVELAND FROG AND CROSSING CO. – CLEVELAND
  • CLEVELAND FURNACE CO – CLEVELAND
  • CLEVELAND GENERAL ELECTRIC CO. – CLEVELAND
  • CLEVELAND HARDWARE CO – CLEVELAND
  • CLEVELAND HIPPODROMA CO – CLEVELAND
  • CLEVELAND ICE AND REFIGERATING CO. – CLEVELAND
  • CLEVELAND LAUNDRY CO. – CLEVELAND
  • CLEVELAND METAL PRODUCTS CO. – CLEVELAND
  • CLEVELAND METROPOLITAN GENERAL HOSPITAL – CLEVELAND
  • CLEVELAND MILLING CO. – CLEVELAND
  • CLEVELAND MINE – CLEVELAND
  • CLEVELAND PAINESVILLE AND EASTERN TRACTION CO – PAINESVILLE
  • CLEVELAND PAINSVILLE AND EASTERN RAILROAD CO – CLEVELAND
  • CLEVELAND PAINSVILLE AND EASTERN RAILWAY – WILLOUGHBY
  • CLEVELAND PROV. CO. – CLEVELAND
  • CLEVELAND PROVISION CO. – CLEVELAND
  • CLEVELAND QUARRIES CO. – AMHERST
  • CLEVELAND RAILWAY CO. – CLEVELAND
  • CLEVELAND REGIONAL SEWER DISTRICT – CUYAHOGA HEIGHTS
  • CLEVELAND RUBBER CORP. CO. – CLEVELAND
  • CLEVELAND SHIPBUILDING – LORAIN
  • CLEVELAND SHOPPING NEWS CO. – CLEVELAND
  • CLEVELAND SOUTHWESTERN AND COLUMBUS RAILWAY CO – ELYRIA
  • CLEVELAND SOUTHWESTERN AND COLUMBUS TY CO – CLEVELAND
  • CLEVELAND STAMPING AND TOOL CO. – CLEVELAND
  • CLEVELAND STATE HOSPITAL – CLEVELAND
  • CLEVELAND STEVEDORE CO – HURON
  • CLEVELAND STONE CO – NORTH AMHERST
  • CLEVELAND THERMAL ENERGY – CLEVELAND
  • CLEVELAND TRANIST DRILL CO. – CLEVELAND
  • CLEVELAND TRUST CO BUILDING – CLEVELAND
  • CLEVELAND TWIST DRILL CO. – CLEVELAND
  • CLEVELAND UNION TERMINALS – CLEVELAND
  • CLEVELAND WATER WORKS. – CLEVELAND
  • CLEVELAND WOOSTED MILLS CO – RAVENNA
  • CLEVELAND WORKS EAST – CLEVELAND
  • CLEVELAND WORSTER MILLS CO – RAVENNA
  • CLEVELAND, CINCINNATI, CHICAGO AND ST. LOUIS RAILWAY CO – LINNDALE
  • CLEVELAND, PAINESVILLE, AND ASHTABULA RAILROAD – CLEVELAND
  • CLEVELAND, S.W. AND COLUMBUS RAILWAY CO. – ELYRIA
  • CLIMAX TIRE AND RUBBER CO. – DELAWARE
  • CLINTON COUNTY AIR FORCE BASE – WILMINGTON
  • CLOPAY BUILDING – CINCINNATI
  • CLYDE PORCELAIN STEEL CORP. – CLYDE
  • CLYFFSIDE BREWING CO. – CINCINNATI
  • COCA COLA BOTTLING WORKS CO. – CINCINNATI
  • COGNIS CORPORATION – CINCINNATI
  • COIT ROAD PLANT – CLEVELAND
  • COKE PLANT – YOUNGSTOWN
  • COLIN GARDNER PAPER CO. – MIDDLETOWN
  • COLLEGE OF WOOSTER – WOOSTER
  • COLONIAL SALT CO – SOUTH AKRON
  • COLUMBIA AXLE CO. – CLEVELAND
  • COLUMBIA CHEMICAL CO – BARBERTON
  • COLUMBIA HCA HEALTHCARE – CANTON
  • COLUMBIA ICE CO. – CLEVELAND
  • COLUMBIA LNG INC – GREEN SPRINGS
  • COLUMBIA PARK STATION – CINCINNATI
  • COLUMBIA POWER CO – CINCINNATI
  • COLUMBIA SOUTHERN CHEMICAL CORP – BARBERTON
  • COLUMBIA TIRE AND RUBBER CO. – COLUMBIANA
  • COLUMBUS AND IRON AND STEEL CO. – COLUMBUS
  • COLUMBUS AND SOUTHERN OHIO ELECTRIC CO. – GRAVEPORT
  • COLUMBUS BOLT WORKS – COLUMBUS
  • COLUMBUS BUGGY CO – COLUMBUS
  • COLUMBUS CENTRAL RAILWAY CO. – COLUMBUS
  • COLUMBUS CONSOLIDATED STREET RAILROAD CO – COLUMBUS
  • COLUMBUS DELAWARE AND MARION ELECTRIC CO. – MARION
  • COLUMBUS EDISON ELECTRIC LIGHT CO – COLUMBUS
  • COLUMBUS EDISON LIGHT CO. – COLUMBUS
  • COLUMBUS ELECTRIC LIGHT AND POWER CO. – COLUMBUS
  • COLUMBUS ELECTRIC RAILWAY CO – COLUMBUS
  • COLUMBUS IRON AND STEEL CO. – SOUTH COLUMBUS
  • COLUMBUS LONDON AND SPRINGFIELD RAILWAY CO. – MIDWAY
  • COLUMBUS LONDON AND SPRINGFIELD STREET RAILWAY CO. – SPRINGFIELD
  • COLUMBUS OIL CLOTH CO. – COLUMBUS
  • COLUMBUS PACKING CO. – COLUMBUS
  • COLUMBUS PUBLIC SERVICE CO. – COLUMBUS
  • COLUMBUS RAILWAY AND LIGHT CO – COLUMBUS
  • COLUMBUS RAILWAY CO – COLUMBUS
  • COLUMBUS RAILWAY POWER AND LIGHT CO. – GROVEPORT
  • COLUMBUS SAVINGS AND TRUST CO. – COLUMBUS
  • COLUMBUS SEWAGE PUMPING STATION – COLUMBUS
  • COLUMBUS SHOPS – COLUMBUS
  • COLUMBUS SHOW CASE CO – COLUMBUS
  • COLUMBUS SOUTHERN POWER – CONESVILLE
  • COLUMBUS STATE HOSPITAL – COLUMBUS
  • COLUMBUS STEAM AND FURNACE COAL CO. – BROADWELL
  • COLUMBUS STEEL CO – COLUMBUS
  • COLUMBUS STREET RAILWAY CO – COLUMBUS
  • COLUMBUS WOOLEN MANUFACTURING. CO. – COLUMBUS
  • COLUMBUS, BUCKEYE, LAKE AND NEWARK TRACTION CO. – HEBRON
  • COMBINED NORMAL AND INDUSTRIAL DEPARTMENT – WILBERFORCE
  • COMM BOOKBINDING CO – CLEVELAND
  • COMMERCIAL FORGING CO. – CLEVELAND
  • COMMERCIAL MILLING CO. – CLEVELAND
  • COMMONWEALTH AND SOUTHERN CORP – TORONTO
  • CONAGRA – PERRYSBURGH
  • CONESVILLE POWER PLANT – CONESVILLE
  • CONESVILLE STATION – CONESVILLE
  • CONNEAUT ELECTRIC LIGHT CO – CONNEAUT
  • CONNEAUT SHOVEL CO. – CONNEAUT
  • CONRAIL – HOBSON
  • CONRAIL / NEW YORK CENTRAL RAILROAD – WALBRIDGE
  • CONS ENGINIENS – CLEVELAND
  • CONSOLIDATED ST. RAILWAY CO. – TOLEDO
  • CONSUMERS BREWING CO. – NEWARK
  • CONTAINER CORP OF AMERICA – CIRCLEVILLE
  • CONTINENTAL CAN CO – MOUNT VERNON
  • CONTINENTAL SUGAR CO. – FREMONT
  • COPPERWELD STEEL – WARREN
  • CORCORAN BROWN LAMP DIV ELECTRIC AUTO LITE CO. – SHARONVILLE
  • CORRIGAN MCKINNEY AND CO – CLEVELAND
  • CORRIGAN-MCKENNEY STEEL CO – CLEVELAND
  • CORYVILLE ICE CO. – CINCINNATI
  • COSHOCTON DIV – COSHOCTON
  • COSHOCTON LIGHT AND HEATING CO. – COSHOCTON
  • COSHOCTON STRACO PAPER CO. – COSHOCTON
  • COSHOCTON STRAWPAPER CO – COSHOCTON
  • CRAWFORD TAYLOR, BRANCH OF US BAKING CO. – MANSFIELD
  • CREEDMORE CARTRIDGE CO – BARBERTON
  • CRESCENT WORKS – CLEVELAND
  • CROMWELL STEEL CO. – LORAIN
  • CROSLEY DIV AVCO MANUFACTURING. AND CO. – CINCINNATI
  • CROSLEY RADIO CORP – CINCINNATI
  • CROSS POINTE PAPER CORP – WEST CARROLLTON
  • CROUSE CLAY PRODUCTS CO. – AKRON
  • CROWELL PUBLISHING CO – SPRINGFIELD
  • CROWN ZELLERBACH – BALTIMORE
  • CRYSTAL ICE AND STORAGE CO. – YOUNGSTOWN
  • CRYSTAL SPRINGS ICE CO. – CINCINNATI
  • CUSTODIAL FARM – ORIENT
  • CUYAHOGA COUNTY HOSPITAL – WARRENVILLE
  • CUYAHOGA LIGHT CO. – CLEVELAND
  • CUYAHOGA SOAP CO – CLEVELAND
  • D. AND M. CORD TIRE CO. – LEAVITTSBURG
  • D. T. WILLIAMS VALVE CO. – CINCINNATI
  • D.V.S. NATIONAL MILITARY HOME – MONTGOMERY COUNTY
  • DAIRY DELIVERY CO – CLEVELAND
  • DAIRY FARMS PRODUCTS CO. – ORVILLE
  • DAIRYMENS MILK CO – CLEVELAND
  • DANGLE STOVE CO. DIV CLEVELAND – CLEVELAND
  • DANGLER STOVE AND MANUFACTURING. CO. – CLEVELAND
  • DANGLER STOVE CO. DIV – CLEVELAND
  • DARLING AND CO. – CLEVELAND
  • DARLING CO – READING
  • DAVIS BESSE NUCLEAR POWERPLANT – OAK HARBOR
  • DAVIS BESSE STATION – OTTAWA COUNTY
  • DAVIS SEWING MACHINE CO. – DAYTON
  • DAYTON AND NORTHERN RAILWAY CO – BROOKVILL
  • DAYTON AND TROY ELECTRIC CO. – DAYTON
  • DAYTON AND WESTERN TRACTIOR CO – WEST ALEXANDRIA
  • DAYTON AND XENIA TRAC. CO – DAYTON
  • DAYTON ARCADE CO. – DAYTON
  • DAYTON BREWERIES CO. – DAYTON
  • DAYTON CITIZENS ELECTRIC CO. – DAYTON
  • DAYTON ELECTRIC CO. – TIPPECANOE
  • DAYTON ELECTRIC LIGHT CO – DAYTON
  • DAYTON ENGINEERING LABORATORIES CO. – DAYTON
  • DAYTON ICE MANUFACTURING. COLD STORAGE CO. – DAYTON
  • DAYTON LIGHTING CO – DAYTON
  • DAYTON MALLEABLE CO. – DAYTON
  • DAYTON MALLEABLE IRON – IRONTON
  • DAYTON MASONIC TEMPLE – DAYTON
  • DAYTON METAL PRODUCTS CO. – DAYTON
  • DAYTON POWER & LIGHT COMPANY – DAYTON
  • DAYTON RUBBER CO – MARIETTA
  • DAYTON RUBBER MANUFACTURING. CO. – DAYTON
  • DAYTON SPRINGFIELD AND URBANA ELECTRIC RAILWAY CO. – MEDWAY
  • DAYTON SPRINGFIELD AND URBANA SH RAILWAY CO – MEDWAY
  • DAYTON STATE HOSPITAL – DAYTON
  • DAYTON TIRE AND RUBBER CO. – DAYTON
  • DAYTON UNION RAILWAY CO. – DAYTON
  • DAYTON WRIGHT AIRPLANE CO. – DAYTON
  • DEAN ELECTRIC CO. – ELYRIA
  • DECATUR IND. INC. – CELINA
  • DEFENSE PLANT CORP – ALLIANCE
  • DEFENSE PLANT CORP; PLANT C – AKRON
  • DEFIANCE BOX CO. – DEFIANCE
  • DEFIANCE LIGHT AND POWER. CO. – DEFIANCE
  • DEFIANCE MILK PRODUCTS CO. – DEFIANCE
  • DEFOREST SHEET AND TIN PLATE CO – NILES
  • DELAWARE AND MAGNETIC SPGS. RAILWAY CO. – DELAWARE
  • DELAWARE POWER & LIGHT (JM STUART ELECTRIC GENERAL STATION) – ABERDEEN
  • DELCO (GENERAL MOTORS) – KETTERING
  • DELCO MORAINE DIV OF GMC – DAYTON
  • DELCO PROD DIV GMC – DAYTON
  • DELCO PRODUCTS DIV OF GENERAL MOTORS CO – BEAVERTOWN
  • DELPHI AUTO SYSTEMS CORPORATION – DAYTON
  • DELPHI AUTOMOTIVE SYSTEM – VANDALIA
  • DELPHI CHASIS SYSTEMS – DAYTON
  • DELPHI CHASSIS KETTERING (F 40) – KETTERING
  • DELPHI CORPORATION – COLUMBUS
  • DELPHI HARDWARE PLANT – COLUMBUS
  • DELPHI INTERIOR LIGHTING – COLUMBUS
  • DELPHI PACKARD ELECTRIC. SYSTEM. – WARREN
  • DELPHOS ELECTRIC LIGHT AND POWER CO – DELPHOS
  • DEMING CO – SALEM
  • DENSION UNIVERSITY – GRANVILLE
  • DEPARTMENT OF PUBLIC WELFARE STATE OF OHIO – CLEVELAND
  • DEPARTMENT PUBLIC HEALTH AND WELFARE DIV OF CITY HOSPITAL – CLEVELAND
  • DETROIT STEEL CORPORATION – NEW BOSTON
  • DEWSTOE BRAINARD CO – CLEVELAND
  • DEWYERS STATION – DEWYERS
  • DIAMOND ALKALI CO – PAINSVILLE
  • DIAMOND BRICK CO. – BARBERTON
  • DIAMOND MATCH CO – BARBERTON
  • DIAMOND POWER SPECIALTY CORP. – LANCASTER
  • DIAMOND PURCHASING COMPANY – LANCASTER
  • DIAMOND RUBBER CO – AKRON
  • DIAMOND SHAMROCK CO – PAINESVILLE
  • DIEBOLD SAFE AND LOCK CO – CANTON
  • DIEBOLT BREWING CO – CLEVELAND
  • DILLIES BOTTOM – SHADYSIDE
  • DIV AVE. PUMPING STATION – CLEVELAND
  • DIVN- U S STEEL CORP – FAIRBORN
  • DOMESTIC ENGINEERING BUILDING CO. – DAYTON
  • DOTY MANUFACTURING CO – DAYTON
  • DOVER (OH) UTILITIES DEPT – DOVER
  • DOVER ELECTRIC LIGHT AND POWER – DOVER
  • DOVER F AND I CO CANAL – DOVER
  • DOVER FORGE AND IRON CO – CANAL DOVER
  • DOVER MANUFACTURING CO. – DOVER
  • DOVER WORKS – DOVER
  • DRACKETT CO – SHARONVILLE
  • DRESDEN PAPER MILLS CO. – DRESDEN
  • DUREZ PLASTICS AND CHEMICALS – SKENTON
  • DURST MILLING CO. – DAYTON
  • DYE CO. – CLEVELAND
  • DYER CO – CLEVELAND
  • E KAHN'S SONS CO – CINCINNATI
  • E S KELLY – SPRINGFIELD
  • E. H. DYER AND CO. – CLEVELAND
  • E.G. SMITH CONSTRUCTION PRODUCTS – CAMBRIDGE
  • E.I. DUPONT DE NEMOURS AND CO. – CLEVELAND
  • EA. LIVERPOOL TRACT. AND LIGHT CO. – EA. LIVERPOOL
  • EAGLE BOX BOARD AND PAPER CO – MAUMEE
  • EAGLE COOPENAGE CO. – HAMILTON
  • EAGLE IRON AND STEEL CO. – IRONTON
  • EAGLE PAPER CO – FRANKLIN
  • EAGLE PITCHER CO – CINCINNATI
  • EAGLE WOODENWARE MANUFACTURING. – HAMILTON
  • EAST BROADWAY PLANT – TOLEDO
  • EAST LIVERPOOL TRACTION AND LIGHT CO. – EAST LIVERPOOL
  • EAST OHIO GAS CO. – CLEVELAND
  • EAST PALESTINE RUBBER CO. – EAST PALESTINE
  • EAST SIDE HIGH SCHOOL – CINCINNATI
  • EAST WORKS – MIDDLETOWN
  • EASTLAKE – EASTLAKE
  • EASTLAKE PLANT UNIT 5 – CLEVELAND
  • EASTLAKE STATION – EASTLAKE
  • EBERHARD MANUFACTURING. CO. – CLEVELAND
  • ECKERT PACKING CO. – TROY
  • EDGEWATER PLANT – CLEVELAND
  • EDGEWATER STATION – LORAIN
  • EDGEWATER WORKS – CLEVELAND
  • EDISON AND ILLUMINATING CO. – TIFFIN
  • EDISON E ILL'G CO. – MIDDLETOWN
  • EDW. FORD – TOLEDO
  • EDW.FORD PLATE GLASS WORKS – TOLEDO
  • EDWARD FORD PLATE GLASS CO – TOLEDO
  • EFLAROSE SUGAR CO. – CARTHAGE
  • EGAN CO – CINCINNATI
  • ELECRIC AUTOLITE CO. – TOLEDO
  • ELECTRIC GENERATING STATION – HAMILTON
  • ELECTRIC RUBBER RECLAIMING CO. – BARBERTON
  • ELECTRO METALLURGICAL CO. – ASHTABULA
  • ELFOROSE SUGAR CO – CARTHAGE
  • ELIZABETH GAMBLE DEACONESS HOME ASSOC – CINCINNATI
  • ELLSWORTH COAL CO – CLEVELAND
  • ELWOOD MYERS CO. – SPRINGFIELD
  • ELYRIA AND OBERLIN ELECTRIC RAILWAY CO – ELYRIA
  • ELYRIA CANNING CO – ELYRIA
  • ELYRIA GAS AND ELECTRIC CO. – ELYRIA
  • ELYRIA IRON AND STEEL CO – ELYRIA
  • ELYRIA MACHINE CO – MANSFIELD
  • EMERALD MATERIALS – CINCINNATI
  • EMERSON SCHOOL – DAYTON
  • EMERY INDUSTRIES, INC – ST BERNARD
  • EMORY INDUSTRIES – CINCINNATI
  • EMPIRE DISTRICT ELECTRIC – MANSFIELD
  • EMPIRE I AND S CO. – NILES
  • EMPIRE IRON AND STEEL CO. – NILES
  • EMPIRE PLASTICS INC – NEWCOMERSTOWN
  • EMPIRE PLOW CO. – GLENLAND
  • EMPIRE REEVES STEEL CORP – MANSFIELD
  • EMPIRE STEEL CORPORATION – MANSFIELD
  • ENAMEL PRODUCTS CO – COLLINWOOD
  • ENGLE AIR CRAFT CO. – NILES
  • ERIE DYEING CO. – CLEVELAND
  • ERIE RAILROAD CO – CLEVELAND
  • ERIE TIRE AND RUBBER CO. – SANDUSKY
  • ERVING PAPER CO. – LOCKLAND
  • ESTATE OF HAROLD C. SCHOTT – EVENDALE
  • ESTATE OF JOSEPH T. CAREW – CINCINNATI
  • ESTATE OF L.B. HARRISON FOR TEXTILE BUILDING. – CINCINNATI
  • EXCELSIOR LAUNDRY CO. – CINCINNATI
  • EXCELSIOR SHOE CO. – PORTSMOUTH
  • F AND R LAZARUS AND CO. – COLUMBUS
  • F B MORGAN POWER CO – CINCINNATI
  • F GRAY CO – PIQUA
  • F SCHUMACHER – AKRON
  • F. ZIMMERMAN CO. – CLEVELAND
  • F.B. ZIEG MANUFACTURING CO. WASHING MACHINES – FREDERICKSTOWN
  • F.E. MYERS AND BRO – ASHLAND
  • F.E. SHCUMACHER CO. – HARTVILLE
  • F.W. MEANS CO – COLUMBUS
  • FABRICATING DIV ARMCO STEEL CO. – MIDDLETOWN
  • FACTORY POWER CO – OAKLEY (CINCINNATI)
  • FAIRFIELD AIR DEPOT PATTERSON FIELD – FAIRFIELD
  • FAIRFIELD PAPER CO – BALTIMORE
  • FAIRMOUNT ST PUMPING STATION – CLEVELAND
  • FALCON IRON AND NAIL CO – NILES
  • FALCON MILLS – NILES
  • FALCON NAIL AND IRON CO. (MILL F) – NILES
  • FALCON TIN PLATE CO – CANTON
  • FALLS RUBBER CO – CUYAHOGA FALLS
  • FALOR ST. PLANT – AKRON
  • FAULTLESS RUBBER CO. – ASHLAND
  • FAVORITE STOVE RANGE CO – PIQUA
  • FE MYERS AND CO – PLACE ASHLAND
  • FEDERAL CREOSOTING CO. – TOLEDO
  • FEDERAL GLASS CO. – COLUMBUS
  • FEDERAL KNITTING MILLS CO – CLEVELAND
  • FEDERAL RESERVE BANK – CLEVELAND
  • FEEBLE MINDED YOUTH – ORIENT
  • FERRO MACHINE AND FINERY CO – CLEVELAND
  • FERRON CONCRETE CONSTRUCTION CO. – CINCINNATI
  • FIELD W. SWEZEY – FOSTORIA
  • FIRESTONE TIRE AND RUBBER CO. – SOUTH AKRON
  • FIRST NATIONAL BANK BUILDING – CINCINNATI
  • FIRSTENERGY CORP. ASHTABULA PLANTS. "A,B AND C" – ASHTABULA
  • FIRSTENERGY CORPORATION – CLEVELAND
  • FIRSTENERGY NUC OPERATING – OAK HARBOR
  • FISCHER BODY DIV GMC – CLEVELAND
  • FISCHER INDUSTRIES INC – CINCINNATI
  • FISHER BODY DIV GMC – CLEVELAND
  • FITZPATRICK AND HOEPFNER – COLUMBUS
  • FITZSIMONS CO – YOUNGSTOWN
  • FLEISCHMANN CO – CINCINNATI
  • FLOYD BOOTH CO – YOUNGSTOWN
  • FOOS MANUFACTURING CO. – SPRINGFIELD
  • FORD FOUNDRY – CLEVELAND
  • FORD MOTOR CO. SPARK PLUG DIV – FOSTORIA
  • FORD PLATE GLASS CO – TOLEDO
  • FOREST CITY BREWING CO. – TOLEDO
  • FORMERLY NATIONAL STOVE CO FOR DANGLER STOVE DIV – LORAIN
  • FORMICA CO – CINCINNATI
  • FORMICA INSULATION CO. – CINCINNATI
  • FORREST TOWEL SUPPLY CO – COLUMBUS
  • FORT HAMILTON HOSPITAL – HAMILTON
  • FORUM HEALTH HOLDING CO – YOUNGSTOWN
  • FOSTORIA ELECTRIC LIGHT AND POWER CO. – FOSTORIA
  • FOX PAPER CO – CINCINNATI
  • FOX RIVER PAPER CO. – URBANA
  • FOX VALLEY CORP. – URBANA
  • FRANCISCIAN SISTER/POOR MT. AIRY CAMPUS – CINCINNATI
  • FRANK HILL SMITH – DAYTON
  • FRANKLIN BOARD AND PAPER CO – FRANKLIN
  • FRANKLIN BOXBOARD CORP. – FRANKLIN
  • FRANKLIN BOXBOARD CORPORATION – CARLISLE
  • FRASCH PROCESS SODA CO – CLEVELAND
  • FRASER PAPERS, INC. – WEST CARROLLTON
  • FREIBERG AND WORKUM CO. – LYNCHBURG
  • FREIBERY WORKUM CO – LYNCHBURG
  • FREMONT GAS AND ELECTRIC LIGHT CO. – FREMONT
  • FRENCH BAUER, INC. – CINCINNATI
  • FRENCH BROS-BAWER CO. – CINCINNATI
  • FRIEND PAPER CO. – WEST CARROLLTON
  • FRIEND PAPER TABLET CO. – WEST CARROLTON
  • FRIGIDAIRE DIV OF GENERAL MOTORS CORP. – MORAINE CITY (DAYTON)
  • G C KUHLMAN CAR CO – CLEVELAND
  • G. H. FRIEND PAPER CO. – WEST CARROLTON
  • G. WILDER MULH BWG. CO. – POMEROY
  • G.H. FRIEND PAPER TABLET CO – WEST CARROLLTON
  • GALLION LUMBER CO – GALLION
  • GALLIPOLIS STATE HOSPITAL – GALLIPOLIS
  • GAMBRINOUS PLANT. – CANTON
  • GAMBRINUS STEEL PLANT – STARK
  • GARDNER BOARD AND CARTON CO – CINCINNATI
  • GARDNER PAPER BOARD CO – MIDDLETOWN
  • GARDNER PAPER CO. – MIDDLETOWN
  • GARFORD CO – ELYRIA
  • GARFORD MANUFACTURING. CO. – ELYRIA
  • GARFORD MOTOR TRUCK CO. – LIMA
  • GARLAND-HASWELL-REUTSCHLER FOUNDRY CO – DAYTON
  • GARLOCK - FRAZEE LAUNDRY CO – CLEVELAND
  • GARRETT CROMWELL ENGRY CO – CLEVELAND
  • GARRY IRON AND STEEL CO. – YOUNGSTOWN
  • GATES MILLS – SHARDON
  • GATX – MASURY
  • GAVIN POWER PLANT – CHESHIRE
  • GAYLORD CONTAINER CORP. – BALTIMORE
  • GE EVENDALE – EVENDALE
  • GEN CONFERENCE OF THE SEVENTH DAY ADVENTIST – KETTERING
  • GEN ELECTRIC CO – EVENDALE
  • GENERAL AMERICAN TRANSPORTATION CORP. – MASURY
  • GENERAL CHEMICAL CO – WILLOW
  • GENERAL ELECTRIC COMPANY – LORDSTOWN
  • GENERAL FIREPROOFING CO – YOUNGSTOWN
  • GENERAL INDUSTRIES CO. – ELYRIA
  • GENERAL JAMES A. GAVIN PLANT, UNIT 2 – CHESHIRE
  • GENERAL JAMES M. GAVIN PLANT – CHESHIRE
  • GENERAL JAMES M. GAVIN PLANT UNIT 1 – CHESHIRE
  • GENERAL MILLS – TOLEDO
  • GENERAL MILLS CO. – TOLEDO
  • GENERAL MOTORS CORPORATION – NORWOOD
  • GENERAL MOTORS ISLAND MANUFACTURING – DAYTON
  • GENERAL TIRE AND RUBBER CO – AKRON
  • GEN'L FIRE PROOFING – YOUNGSTOWN
  • GEO. E. MILLIGAN – LORAIN
  • GEO. J RENNER BREWING CO. – AKRON
  • GEO. J. RENNER, JR. – YOUNGSTOWN
  • GEO. W. DITTMAN – CINCINNATI
  • GEO. WIEDEMANN BREWING CO. – CINCINNATI
  • GEORGE B. SENNETT – YOUNGSTOWN
  • GEORGE E. MILLIGAN – LORAIN
  • GEORGE E. MILLIGAN OFFICE – ELYRIA
  • GEORGE J RENNER – YOUNGSTOWN
  • GEORGE O. CROMWELL – TOLEDO
  • GEORGE O`NEIL NEW BOSTON – SCIOTO
  • GEORGE O'NEIL NEW BOSTON COKE CORP. – NEW BOSTON
  • GEORGE PACIFIC PAPER – CARLISLE
  • GEORGE WASHINGTON CO. – CLEVELAND
  • GERMAN METHODIST ASPHAN ASYLUM – BEREA
  • GH FRIEND PAPER AND TABLET CO – WEST CARROLLTON
  • GIBSON ART BUILDING – CINCINNATI
  • GILBERT ELEC. SUPPLY CO – SANDUSKY
  • GIRARD IRON CO. – GIRARD
  • GLASS-EDSELL PAPER CO. – DELAWARE
  • GLATFELTER – CHILLICOTHE
  • GLEN L MARTIN CHEMICAL PLANT – ASHTABULA
  • GLENDALE INC. PLANT – TOLEDO
  • GLENN L. MARTIN B – PAINSVILLE
  • GLENN L. MARTIN CO – EAST CLEVELAND
  • GLOBE SOAP CO. – ST BERNARD
  • GLOBE WERNICKE CO. – NORWOOD
  • GM DELPHI CHASSIS (41001)DEPT. 52 – DAYTON
  • GMC CLEVELAND DIESEL ENGINE CO DIV – BROOKLYN VILLAGE
  • GMC DIESEL ENGINE DIV – CLEVELAND
  • GMC FRIGIDAIRE – MORAINE CITY
  • GOEBEL BREWING CO. – TOLEDO
  • GOOD SAMARITAN HOSPITAL – DAYTON
  • GOODALL CO – CINCINNATI
  • GOODRICH CHEMICAL – AVON LAKE
  • GOODYEAR AIRCRAFT CORP – AKRON
  • GOODYEAR PLANT 2 POWERHSE – AKRON
  • GOODYEAR PLANT 2 POWERHSE. 54 1 – AKRON
  • GOODYEAR TIRE AND RUBBER CO – AKRON
  • GORDON AND MAXWELL CO – HAMILTON
  • GORGE POWER HOUSE – AKRON
  • GRANITE CLAY CO – MOGADORE
  • GRASSELLI CHEMICAL CO – CLEVELAND
  • GREAT LAKE COAL MINING CO – POMEROY
  • GREAT LAKE SUGAR CO – FREMONT
  • GREAT SOUTHERN HOTEL – COLUMBUS
  • GREENVILLE ELECTRIC LIGHT AND POWER CO – GREENVILLE
  • GREER STEEL CO – DOVER
  • GRISCON RUSSELL CO. – MASSILLON
  • GT SOUTHERN GAS AND OIL CO – SUGAR GROVE
  • GULF OIL CORP. – CLEVES
  • GULF REFINERY – HOOVEN
  • GULF REFINING CO – TOLEDO
  • GUND BREWING CO. – CLEVELAND
  • GWINN MILLING CO. – COLUMBUS
  • GWYNNE BUILDING – CINCINNATI
  • H AND S POGUE CO – CINCINNATI
  • H H MEYERS PACKING CO – CINCINNATI
  • H H WILLIAMS AND CO. – WAUSION
  • H MILLER – CINCINNATI
  • H. B. CAMP SEWER PIPE CO. – GREENTOWN
  • H. B. MILWINE AND CO. – TOLEDO
  • H. D. BEACH CO. – CASHOCTON
  • H. H. MEYER PACKING CO. – CINCINNATI
  • H.B. CAMP CO. – GREENTOWN
  • H.J. HEINZ CO. – FREEMONT
  • H.M. CRITES AND CO. – CIRCLEVILLE
  • H.M. CRITES MILLING CO. – CIRCLEVILLE
  • HADFIELD PENFIELD STEEL CO – BUCYRUS
  • HAGAR STRAWBOARD CO. – KENIA
  • HALTENBACK AND STEPHENS – CLEVELAND
  • HAMILTON – HAMILTON
  • HAMILTON - OTTO COKE CO. – HAMILTON
  • HAMILTON COKE AND IRON CO – HAMILTON
  • HAMILTON COUNTY COMMISSIONERS – CINCINNATI
  • HAMILTON COUNTY COURT HOUSE – CINCINNATI
  • HAMILTON COUNTY HOME – CINCINNATI
  • HAMILTON ELECTRIC DEPT – HAMILTON
  • HAMILTON FURNACE CO – HAMILTON
  • HAMILTON GAS AND EL CO – HAMILTON
  • HAMILTON I AND S CO – HAMILTON
  • HAMILTON ICE AND COLD STORAGE CO – HAMILTON
  • HAMILTON MILK CO. – HAMILTON
  • HANGING ROCK IRON CO. – HANGING ROCK
  • HARDESTY MILLING CO. – CANAL DOVER
  • HARKNESS AND COWING CO. – ST BERNARD
  • HARKNESS COWING CO – CINCINNATI
  • HARRING HALL MARVIN CO – HAMILTON
  • HARRISON RADIATOR – MORAINE
  • HARSHAW CHEMICAL CO – CLEVELAND
  • HARSHAW FULLER AND GOODWIN CO. – ELYRIA
  • HARTER MILLING CO. – FOSTORIA
  • HARTJE BROTHERS PAPER CO. – TORONTO
  • HARTJE BROTHERS PAPER MANUFACTURINGS – STEUBENVILLE
  • HARTMAN BUILDING – COLUMBUS
  • HARTZELL INDUSTIAL INC. – PEQUIA
  • HARTZELL INDUSTRIES, INC. – PIQUA
  • HARVEY BROTHERS – CLEVELAND
  • HASELTON FURNACE #4 – HASELTON
  • HAWTHORNDEN STATE HOSPITAL – MACEDONIA
  • HAYDEN CO. – COLUMBUS
  • HAYDEN PLANT – COLUBMUS
  • HEATING PLANT – KENT
  • HEEKIN CAN CO – NORWOOD
  • HEFFNER AND CO – CIRCLEVILLE
  • HEFFNER MILLING CO. – CIRCLEVILLE
  • HELLER TOOL CO – NEW COMERSTOWN
  • HENKEL OF AMERICA INC – CINCINNATI
  • HENRY FURNANCE. AND FOUNDRAILWAY CO – MEDINA
  • HENRY HOLTZMAN AND SONS CO – COLUMBUS
  • HENRY J CRANE – EAST TOLEDO
  • HENRY P. THOMPSON – CINCINNATI
  • HERAN COURT BEVERAGE AND ICE CO – CINCINNATI
  • HERANCOURT BREWING CO – CINCINNATI
  • HERCULES ENGINES, INCORPORATED – WOOSTER
  • HERCULES MOTOR CORP. – CANTON
  • HESS SPRING AND AXLE CO. – CARTHAGE
  • HETZ CONSTRUCTION CO – WARREN
  • HEWITT SOAP CO. – DAYTON
  • HEYDON CHEMICAL CORP. – IRONTON
  • HIGHLAND VIEW HOSPITAL – CLEVELAND
  • HILL CLUTCH CO – CLEVELAND
  • HILLSHIRE FARM/KAHN'S – CINCINNATI
  • HILTON DAVIS CO – CINCINNATI
  • HILTON-DAVIS CHEM CO. DIV – CINCINNATI
  • HINDE AND DAUCH PAPER CO – DELPHOS
  • HOBART MANUFACTURING CO – TROY
  • HOFFMAN-LA ROCHE – CAMBRIDGE
  • HOGE LUMBER AND BRUSH CO. – NEW KNOXVILLE
  • HOLLAND BREAD CO – DAYTON
  • HOLLENDEN HOTEL – CLEVELAND
  • HOME LIGHTING HEAT AND POWER CO. – SPRINGFIELD
  • HOOVER AND ALLISON CO. – XENIA
  • HOOVER OWENS RENTSCHLER CO. – HAMILTON
  • HORNELL ICE AND COLD STORAGE CO. – MARION
  • HOTEL GIBSON – CINCINNATI
  • HOTEL METROPOLE – CINCINNATI
  • HOUSTON HAY AL AND SONS – COSHOCTON
  • HOWARD PAPER CO. – URBANA
  • HOWARD PAPER MILLS – DAYTON
  • HUDEPOHL BREWING CO – CINCINNATI
  • HUEBNER TOLEDO BREWERIES CO – TOLEDO
  • HUENEFELD CO – CINCINNATI
  • HUFFMAN CONKLIN CO. – COLUMBUS
  • HUGHES AND KEENAN – MANSFIELD
  • HUGHES MEMORIAL HOSP – HAMILTON
  • HUNDE DAUCH PAPER CO – SANDUSKY
  • HUNT FOODS AND INDUSTRIES – PERRYSBURG
  • HUNTON WESSON FOODS – PERRYSBURG
  • HURON ROAD HOSPITAL – EAST CLEVELAND
  • HYDRAULIC PRESSED STEEL CO – CLEVELAND
  • I. D. SMEAD AND CO. – TOLEDO
  • IDEAL TIRE AND RUBBER CO. – CLEVELAND
  • INCINERATOR PLANT – CINCINNATI
  • INDEPENDENT ICE CO. – CLEVELAND
  • INDIA TIRE AND RUBBER CO – MOGADORE
  • INDIAN REFINING CO – CINCINNATI
  • INDIANA COLUMBUS AND EASTERN TRACTION CO. – HEBRON
  • INDIANOLA HEATING AND LIGHTING CO – COLUMBUS
  • INDIANOLA ICE CO – COLUMBUS
  • INDPLS. COL. AND SOUTHRN TRACT CO. – COLUMBUS
  • INDUSTRIAL FIBRE CORP. – CLEVELAND
  • INDUSTRIAL RAYON CORP – CLEVELAND
  • INDY POWER/LIGHT CLEVE. THERMAL ENERGY – CLEVELAND
  • INEOS – ADDYSTON
  • INGALLS BUILDING. – CINCINNATI
  • INLAND DIV OF GENERAL MOTORS CORP. – DAYTON
  • INLAND LAMP DEPARTMENT OF GEN ELECTRIC CO – NILES
  • INLAND MANUFACTURING CO. – DAYTON
  • INMONT DIV.; BASF PERMIT 1427 – GREENVILLE
  • INSTITUTE FOR FEEBLE MINDED – ORIENT
  • INSTITUTION FOR FEEBLE MINDED – ORIENT
  • INTERNATIONAL BREWERIES INC – FINDLAY
  • INTERNATIONAL HARVESTER CO – AKRON
  • INTERNATIONAL PAPER COMPANY – WOOSTER
  • INTERNATIONL SALT CO – CLEVELAND
  • INTERSTATE ENG. CO. – BEFORD
  • INTERSTATE FOLDING BOX BOARD CO. – MIAMISBURG
  • INTERSTATE FOLDING BOX CO. – MIAMISBURG
  • IRONTON COKE – IRONTON
  • IRONTON PORT CEMENT CO – IRONTON
  • ISAAC HARTER CO – FOSTORIA
  • IVORY DALE PLANT – CINCINNATI
  • J A EDISON – PIQUA
  • J L BALLINGER – CINCINNATI
  • J M STUART STATION – ABERDEEN
  • J&L STEEL – YOUNGSTOWN
  • J. B. CAMPBELL MANUFACTURING. CO. – CARTHAGE
  • J. B. JONES AND CO. – STEUBENVILLE
  • J. F. RANDALL – CLEVELAND
  • J. H. TANGEMAN AND CO. – LOCKLAND
  • J. SMITH'S SON'S BREW'G CO. – YOUNGSTOWN
  • J.A. FAY AND CO. – CINCINNATI
  • J.A. FAY AND EGAN CO – CINCINNATI
  • J.C. GROENDYKE CO. – MIAMISBURG
  • J.H. MCLAIN CO. – CANTON
  • J.M. GAVIN POWER PLANT IN PLANT – CHESHIRE
  • J.M. SMUCKER APPLE BUTTER CO – ORRVILLE
  • J.M. STUART ELECTRIC GENERAL STATION – BETWEEN ABERDEEN AND MANCHESTER
  • J.M. STUART STATION UNIT 4 – DAYTON
  • J.P. WOLF – DAYTON
  • JACK HEINTZ INC. – BEDFORD
  • JACKSON IRON AND STEEL CO. – JACKSON
  • JACKSON J AND S. CO. – JACKSON
  • JAILE CO – BOSTON
  • JAMES B CLOW AND SONS – NEWCOMESTOWN
  • JAMES E THOMAS – NEWARK
  • JAMES LEFFEL AND CO. – SPRINGFIELD
  • JARECKI CHEMICAL CO – ST BERNARD
  • JAS LEFFEL AND CO. – SPRINGFIELD
  • JEEP PLANT – TOLEDO
  • JEFFEREY MANUFACTURING – COLUMBUS
  • JEFFERSON IRON WORKS – STEUBENVILLE
  • JEFFERSON SMURFIT CORP CCA – CIRCLEVILLE
  • JEFFERSON SMURFIT CORPORATION – MIDDLETON
  • JEFFREY MANUFACTURING CO – COLUMBUS
  • JEWETT CAR GO. – NEWARK
  • JEWISH HOSPITAL – CINCINNATI
  • JF WILLIAMS MILLING CO. – COLUMBUS
  • JM STUART ELECTRIC GEN STATION – ABERDEEN
  • JOHN A STEWART ELECTRIC CO. – CINCINNATI
  • JOHN B. SHEPLER – TOLEDO
  • JOHN CARROLL UNIVERSITY – UNIVERSITY HEIGHTS
  • JOHNSON CO – CLEVELAND
  • JOHNSTON AND JENNINGS CO – CLEVELAND
  • JONATHAN CLARK AND SONS CO. – COLUMBUS
  • JONES AND LAUGHLIN – YOUNGSTOWN
  • JONES AND LAUGHLIN STEEL COMPANY – CANTON
  • JONES BROTHERS ELECTRIC CO. – CINCINNATI
  • JORDAN MILLS INC. – COLUMBUS
  • JOS. J GEST(MIAMI OIL AND SOAP WORKS) – CINCINNATI
  • JOSEPH DYSON AND SONS – CLEVELAND
  • JULIAN AND KOKINGE CO. – CINCINNATI
  • JUNCTION IRON AND STEEL CO – MINGO JUNCTION
  • JUNG BREWING CO – CINCINNATI
  • JUNK YARD – COLUMBUS
  • KAHN'S – CINCINNATI
  • KAISER ALUMINUM AND CHEMICAL CORP. – NEWARK
  • KAISER JEEP CORP – TOLEDO
  • KAISER STEEL – NEWARK
  • KAL KAN FOODS INC – COLUMBUS
  • KAL KAN PET CARE – COLUMBUS
  • KALTENBACH AND GRIESS – CLEVELAND
  • KANAWHA MICHIGAN RAILWAY CO. – HOBSON
  • KANIGEN PLANT – MASURY
  • KAO JERGENS – CINCINNATI
  • KEEBLER BISCUIT CO. – CINCINNATI
  • KEEBLER CO GEORGE JONES – MARIEMONT
  • KEEVER STARCH CO. – SOUTH COLUMBUS
  • KELLY SPRINGFIELD ROAD ROLLER CO. – SPRINGFIELD
  • KELLY NAIL AND IRON CO. – IRONTON
  • KELLY SPRINGFIELD TIRE AND RUBBER CO. – AKRON
  • KELLY SPRINGFIELD TIRE CO. – AKRON
  • KENT PRODUCE CO – KENT
  • KENT STATE NORMAL SCHOOL – KENT
  • KENT STATE UNIVERSITY – KENT
  • KENTON WATER WORKS – KENTON
  • KENYON COLLEGE – GAMBIER
  • KESSLER CO – BROOKLYN STATION
  • KETTERING MEDICAL CENTER – DAYTON
  • KEYSTONE CONSTN CO – HAMILTON
  • KILBOURNE AND JACOBS MANUFACTURING CO – COLUMBUS
  • KILLEN GENERATING STATION – MANCHESTER
  • KILLIAN MANUFACTURING. CO. – AKRON
  • KIMBERLY-CLARK CORPORATION – CARRULTON
  • KINGS MILLS – WARREN COUNTY
  • KIRKLAND AVE. PUMPING STATION – CLEVELAND
  • KIRTLAND PAMPING STATION – CLEVELAND
  • KLAUSNER COOPERAGE CO. – CLEVELAND
  • KNIGHT TIRE AND RUBBER CO – CANTON
  • KODEL RADIO CORP – CINCINNATI
  • KOPPERS CO WOOD PRESERVING DIV – ORRVILLE
  • KRANTZ BREWING CO. – FINDLAY
  • KRAUTH AND BENNINGHOFEN – MIDDLETOWN
  • KRELL FRENCH PIANO CO – SPRINGFIELD
  • KRIPPENDORF AND DITTMAN – CINCINNATI
  • KROGER GROCERY AND BAKING CO – CINCINNATI
  • KUEMPEL CO – COLUMBUS
  • KYGER CAREER – GALLIPOLIS
  • KYGER CREEK STATION – CHESHIRE
  • KYKLOS BEARING INTERNATIONAL – SANDUSKY
  • L HOSTER BREWING CO – COLUMBUS
  • L. SCHREIBER AND SONS CO. – NORWOOD
  • L.B. LOCKWOOD CO. – CLEVELAND
  • L.C. AND W.L. IRON CO. – PIQUA
  • L.S. AND M.S. RAILWAY CO., LAKE SHORE AND MICH. SOUTHERN RAILROAD CO. – CLEVELAND
  • LA BELLE IRON WORKS – SEUBENVILLE
  • LA BELLE WORKS – DOVER
  • LAGONDA MANUFACTURING. CO. – SPRINGFIELD
  • LAIDLAW DUNN - GONDON CO. – ELMWOOD PLACE
  • LAKE ERIE BOWLING GREEN AND NAPOLEON RAILWAY CO. – BOWLING GREEN
  • LAKE ERIE IRON CO – CLEVELAND
  • LAKE ERIE PROVISION CO – CLEVELAND
  • LAKE SHORE A PLANT – CLEVELAND
  • LAKE SHORE AND MICHIGAN SOUTHERN RAILWAY CO. – COLLINWOOD
  • LAKE SHORE ELECTRIC RAILWAY CO. – LORAIN
  • LAKE SHORE POWER CO. – STRYKER
  • LAKE SHORE STATION – CLEVELAND
  • LAKESHORE ELECTRIC RAILWAY CO. – FREMONT
  • LAKESIDE HOSPITAL – CLEVELAND
  • LAMBERT TIRE AND RUBBER CO – BARBERTON
  • LAMSON AND SESSIONS CO. – CLEVELAND
  • LANDERS CORP – TOLEDO
  • LANE AND BODLEY CO – CINCINNATI
  • LANG BODY CO – CLEVELAND
  • LATONIA REFINING CORP. – CLEVELAND
  • LAUGHLIN NAIL CO. – MORTONS FERRY
  • LAUREL HOMES HOUSING PROJECT – CINCINNATI
  • LAUREL HOMES – CINCINNATI
  • LAWSON MILK CO. – CUYAHOGA FALLS
  • LEAR SIEGLER INC POWER EQUIP DIV – BEDFORD
  • LEBANON CORRECTIONAL INST – LEBANON
  • LEE TIRE AND RUBBER CO. REPUBLIC RUBBER DIV – YOUNGSTOWN
  • LEETONIA STEEL CO – LEETONIA
  • LEHIGH PORTLAND CEMENT CO – WELLSTON
  • LEISY BREWING CO. – CLEVELAND
  • LESAVOY INDUSTRIES – NEWARK
  • LEXINGTON ABRASIVES, INC.SANDCAP ABRASIVES – ALLIANCE
  • LEXINGTON SOY PRODUCTS CO. – LEXINGTON
  • LIBBEY OWENS FORD GLASS CO – TOLEDO
  • LIBBY GLASS CO – TOLEDO
  • LIBERTY STEEL CO. – WARREN
  • LIBERTY WORKS – WARREN
  • LICKING COUNTY HEALTH SYSREAR PRESS ROOM – NEWARK
  • LICKING COUNTY MEMORIAL HOSPITAL – NEWARK
  • LICKING LIGHT AND POWER CO – NEWARK
  • LICKING MEMORIAL HOSPITAL – NEWARK
  • LIGHT AND POWER PLANT – FAIRPORT HARBOR
  • LIMA AND TOLEDO TRACTION CO. – LIMA
  • LIMA ELECTRIC RAILWAY AND LIGHT CO – LIMA
  • LIMA MEMORIAL HOSPITAL – LIMA
  • LIMA PACKING CO. – LIMA
  • LIMA REFINERY PLANT – LIMA
  • LIMA STATE HOSPITAL – CANTON
  • LINCOLN ELECTRIC CO. – EUCLID
  • LIPPINCOTT CO. – NAPOLEON
  • LIQUID CARBONIC CORP. – URBANA
  • LIVERPOOL TRACTION AND LIGHT CO. – LIVERPOOL
  • LLOYD BOOTH CO – YOUNGSTOWN
  • LLOYD BOOTH DEPARTMENT – YOUNGSTOWN
  • LOCKHEED MARTIN MARITIME SYSTEMS – AKRON
  • LOCKHEED MARTIN/PLANT D BLRM – AKRON
  • LODGE AND DAVIS MACHINE TOOL CO – CINCINNATI
  • LOGAN NATURAL GAS AND FUEL CO – ELYRIA
  • LONDON MUNICIPAL LIGHT PLANT – LONDON
  • LONG AND ALSTALTER CO. – HAMILTON
  • LONG MANUFACTURING. CO – MECHANICSBURG
  • LONG VIEW STATE HOSPITAL – CINCINNATI
  • LONGVIEW HOSPITAL – CARTHAGE
  • LONGWORTH STATION – DAYTON
  • LORAIN AND CLEVELAND RAILROAD CO – CLEVELAND
  • LORAIN COUNTY ELECTRIC CO. – LORAIN
  • LORAIN ST RAILWAY CO – LORAIN
  • LORAIN STEEL CO – LORAIN
  • LORAIN STREET RAILWAY CO. – LORAIN
  • LOUDON BOWMAN DIV – NAPOLEON
  • LOUGHLIN NAIL CO. – MARTINS FERRY
  • LOWER MILLS – YOUNGSTOWN
  • LOWER UNION MILLS – YOUNGSTOWN
  • LTV CORP – CLEVELAND
  • LTV SHEET AND TUBE – YOUNGSTOWN
  • LTV STEEL CORP – CLEVELAND
  • LTV STEEL FLAT ROLLED CO – CLEVELAND
  • LUBRIZOL CORPORATION – CLEVELAND
  • LUDOWICI CELADON CO – NEW LEXINGTON
  • LUKENENHEIMER CO – CINCINNATI
  • LUTHERAN HOSPITAL – CLEVELAND
  • LUTHERAN MEDICAL CENTER – CLEVELAND
  • LYON AND GREENLEAF – WAUSEON
  • M A BRADLEY – CLEVELAND
  • M BURKHARDT BREWING CO – AKRON
  • M C LILLY CO – COLUMBUS
  • M WERK CO – CINCINNATI
  • M. A. HANNA AND CO. – CLEVELAND
  • M. B. FARRIN LUMBER CO – CINCINNATI
  • M. WERK SOAP CO – ST BERNARD
  • M.J. GIBBONS SUPPLY CO – DAYTON
  • MADISON AVENUE PLANT – TOLEDO
  • MADISONVILLE WATER WORKS – MADISONVILLE
  • MAHONING AND SHENAGO RAILWAY AND LIGHT CO. – LOWELLVILLE
  • MAHONING AND SHENANGO RAILWAY AND LIGHT CO. – LOWELLVILLE
  • MAHONING COUNTY JAIL – YOUNGSTOWN
  • MAHONING ELECTRIC LIGHT CO. – YOUNGSTOWN
  • MAHONING VALLEY IRON CO – YOUNGSTOWN
  • MAHONING VALLEY RAILWAY CO – NILES
  • MAHONING VALLEY TRACTOR CO. – YOUNGSTOWN
  • MAHONING VALLEY WORKS – YOUNGSTOWN
  • MAHONINGSIDE – WARREN
  • MALONE SEWING MACHINE CO. – CHILLICOTHE
  • MANSFIELD ELECTRIC LIGHT AND POWER CO. – MANSFIELD
  • MANSFIELD ELECTRIC RAILWAY LIGHT AND POWER CO – MANSFIELD
  • MANSFIELD GEN HOSP MED CENTER – MANSFIELD
  • MANSFIELD GENERAL HOSPITAL – MANSFIELD
  • MANSFIELD O HIGH SCHOOL – MANSFIELD
  • MANSFIELD PATTERN WORKS. – MANSFIELD
  • MANSFIELD PRODUCTS – MANSFIELD
  • MANSFIELD RAILWAY AND LIGHT CO – MANSFIELD
  • MANSFIELD REFORMATORY – MANSFIELD
  • MANSFIELD REFORMATORY – LIMA
  • MANSFIELD SHEET AND TIN PLATE CO – MANSFIELD
  • MANSFIELD TIRE AND RUBBER CO – MANSFIELD
  • MANSFIELD WATER WORKS – MANSFIELD
  • MARATHON ASHLAND PETROLEUM – COLESVILLE
  • MARATHON OIL COMPANY – FINDLAY
  • MARATHON TIRE AND RUBBER CO. – CUYAHOGA FALLS
  • MARIA GARDEN CENTER – COLUMBIA STATION
  • MARIETTA COLLEGE – MARIETTA
  • MARION ELECTRIC LIGHT AND POWER CO. – MARION
  • MARION RAILWAY LTD POWER CO – MARION
  • MARION RESERVE POWER CO. – MARION
  • MARK MANUFACTURING CO – ZANESVILLE
  • MARS INC/KAL KAN PET CAREPERMIT #10101 – COLUMBUS
  • MARTIN-BARRISS CO – CLEVELAND
  • MARTING IRON AND STEEL CO. – IRONTON
  • MARTINS FERRY MUNICIPAL LIGHT PLANT – MARTINS FERRY
  • MARTINS FERRY WATER WORKS – MARTINS FERRY
  • MARYMOUNT HOSPITAL – CLEVELAND
  • MASON TIRE AND RUBBER CO. – BEDFORD
  • MASSILLON ELECTRIC AND GAS CO – MASSILLON
  • MASSILLON GAS AND ELECTRIC CO. – MASSILLON
  • MASSILLON ROLLING MILL CO. – MASSILLON
  • MASSILLON STATE HOSPITAL – MASSILLON
  • MAST CROWELL AND KIRKPATRICK – SPRINGFIELD
  • MASTER ELECTRIC CO – DAYTON
  • MASTER TIRE AND RUBBER CO. – DAYTON
  • MAUMEE CHEMICAL CO – ST BERNARD
  • MAUMEE ROLLING MILL CO. – TOLEDO
  • MC CLUITIE MARSHALL CONST CO – PITTSBURGH
  • MC MYLER MANUFACTURING. CO. – WARREN
  • MCCRACKEN POWER HOUSE PERMIT P1793 – COLUMBUS
  • MCCRAKEN POWER PLANT – COLUMBUS
  • MCDERMOTT TECHNOLOGY INC. – ALLIANCE
  • MCGEAN CHEMICAL CO – CLEVELAND
  • MCKELFREY IRON CO. – LEETONIA
  • MCKINNON DASH AND HDWARE CO – TROY
  • MCKINNON DASH CO – TROY
  • MCMYLER INTERSTATE CO – BEDFORD
  • MCMYLER MANUFACTURING. CO. – CLEVELAND
  • MEAD CORPORTATION – CHILLICOTHE
  • MEAD PAPER CO. – CHILLICOTHE
  • MEAD PULP AND PAPER CO – CHILLICOTHE
  • MEAD STRAW PULP CO. – CHILLICOTHE
  • MEADE PAPER COMPANY – CLEVELAND
  • MEANDER CREEK WATER PURIFICATION AND PUMPING STATION – MINERAL RIDGE
  • MECHANICAL RUBBER CO – CLEVELAND
  • MEDICAL CENTER ASSOCIATION. LTD – CANTON
  • MEDINA FOUNDRY CO. – MEDINA
  • MEGGITT AIRCRAFT BRAKING SYSTEMS – AKRON
  • MENDEL, DRUCKER CO. – NORWOOD
  • MERCHANTS HEAT. LIGHT AND POWER. CO – CANTON
  • MERCHANTS ICE AND COLD STORAGE CO. – CINCINNATI
  • MERCK AND CO – DANVILLE
  • MERCY FRANCISCAN HOSP. MT. AIRY – CINCINNATI
  • MERCY HOSPITAL – HAMILTON
  • MERRELL NATIONAL LABORATORIES – CINCINNATI
  • MERSMAN BROTHERS BRANDTS CO – CELINA
  • MERSMAN BROTHERS CORP – CELINA
  • METHODIST BOOK CONCERN – CINCINNATI
  • METHODIST PUBLISHING HOUSE – CINCINNATI
  • METRO HOSPITAL – CLEVELAND
  • METROHEALTH MEDICAL CENTER – CLEVELAND
  • METROPOLITAN GENERAL HOSPITAL – CLEVELAND
  • METROPOLITAN HOUSING AUTHORITY – CINCINNATI
  • MEYER HUSCHART PACKING CO. – CINCINNATI
  • MIAMI FORT GENERATING STATION – NORTH BEND
  • MIAMI FORT POWER STATION – NORTH BEND
  • MIAMI FORT STATION – NORTH BEND
  • MIAMI LIGHT HEAT AND POWER CO. – PIQUA
  • MIAMI OIL AND SOAP WORKS. – CINCINNATI
  • MIAMI PAPERS COMPANY – DAYTON
  • MIAMI POWDER CO – GOES
  • MIAMI UNIVERSITY – OXFORD
  • MIAMI VALLEY COATED PAPER CO. – FRANKLIN
  • MIAMI VALLEY GAS AND FUEL CO. – OSGOOD
  • MIAMI VALLEY HOSPITAL – DAYTON
  • MIAMI VALLEY LAB – CINCINNATI
  • MIAMI VALLEY RAILWAY CO. – PIQUA
  • MIAMI VALLEY RD. – ROSS
  • MIAMISBURG BOX BOARD DIV, INTERSTATE FOLDING BOX CO – MIAMISBURG
  • MIAMISBURG PAPER CO – MIAMISBURG
  • MIAMISBURG WATER AND LIGHT PLANT – MIAMISBURG
  • MIAMISBURG WATER WORKS – MIAMISBURG
  • MIAMY STONE AND GRAVEL CO. – MIAMI GROVE
  • MID -WEST BOX CO. – CIRCLEVILLE
  • MIDDLETOWN GAS AND ELECTRIC CO – MIDDLETOWN
  • MIDDLETOWN MACHINE CO – MIDDLETOWN
  • MIDDLETOWN PAPER – MIDDLETOWN
  • MIDDLETOWN WORKS – MIDDLETOWN
  • MIDLAND STEEL PRODUCTS CO – CLEVELAND
  • MIDLAND-ROSS CORP – CLEVELAND
  • MIDWEST RUBBER – AKRON
  • MIDWEST RUBBER RECLAIMIN CO – BARBERTON
  • MILAN AND NORWALK, E RAILWAY CO – MILAN
  • MILBURN WAGON CO – TOLEDO
  • MILCREEK VALLEY ST RAILWAY – ST BERNARD
  • MILL CREEK DISTILLING CO. – CINCINNATI
  • MILL CREEK VALLEY ST. RAILWAY CO. – ST BERNARD
  • MILLENIUM CHEMICAL PLANT – GENEVA
  • MILLENNIUM CHEMICAL – ASHTABULA
  • MILLER DUBRUL AND PETERS MANUFACTURING CO. – CINCINNATI
  • MILLER RUBBER CO – AKRON
  • MITTAL STEEL – CLEVELAND
  • MOHAWK RUBBER CO. – EAST ARKON
  • MONARCH RUBBER CO. – HARTVILLE
  • MONOUGAHELLA VALLEY TRACTIOR CO – MARIETTA
  • MONSANTO CO – ADDYSTON
  • MONSANTO POLYMERS AND PETROCHEMICAL CO – ADDEPTON
  • MORAINE PAPER CO DIV OF AMERICAN ENVELOPE CO – WEST CARROLLTON
  • MORAINE PRODUCTS DIV GMC – DAYTON
  • MORGAN ENGINEERING CO – ALLIANCE
  • MORGAN SPRING CO – STRUTHESS
  • MOSINEE PAPER COMPANY – MIDDLETOWN
  • MOSLER SAFE CO – HAMILTON
  • MOUNT SINAI HOSPITAL – CLEVELAND
  • MOUNT ST JOSEPH COLLEGE – DELHI
  • MOUNT ST. JOSEPH COLLEGE DELHI – CINCINNATI
  • MOUNT VERNON RAILWAY AND LIGHT CO – MOUNT VERNON
  • MOUNT VICTORY ELECTRIC LIGHT CO. – MOUNT VICTORY
  • MUDLICK DISTILLING CO – GERMANTOWN
  • MULLIN MANUFACTURING. CORP. – SALEM
  • MULLINS BODY CORP – SALEM
  • MULTI COLOR TYPE CO – CINCINNATI
  • MUNCIE HARTFORD AND FT. WAYNE RAILWAY – CLEVELAND
  • MUNCIPAL LIGHT AND POWER PLANT – TROY
  • MUNICIPAL ELECTRIC LIGHT AND WATER PLANT – ST. MARYS
  • MUNICIPAL ELECTRIC LIGHT AND WATER WORKS – CLYDE
  • MUNICIPAL ELECTRIC LIGHT CO – ST BERNARD
  • MUNICIPAL ELECTRIC LIGHT PLANT – ST BERNARD
  • MUNICIPAL ELECTRIC LIGHTING PLANT – CLEVELAND
  • MUNICIPAL ELECTRIC PLANT – COLUMBUS
  • MUNICIPAL ELECTRIC POWER PLANT – WELLSTON
  • MUNICIPAL LIGHT AND POWER PLANT – DOVER
  • MUNICIPAL LIGHT PLANT – DOVER
  • MUNICIPAL LIGHTING PLANT – COLUMBUS
  • MUNICIPAL POWER AND LIGHT DEPARTMENT – GREENFIELD
  • MUNICIPAL POWER PLANT – CELINA
  • MUNICIPAL TRACTION CO. – CLEVELAND
  • MUNICIPAL WATER AND LIGHT CO – MONTPELIER
  • MUNICIPLE ELECTRIC – PAINESVILLE
  • MUNICPAL ELECTRIC PLANT – TIPPECANOE CITY
  • MUSKINGUM POWER STATION – BEVERLY
  • MUSKINGUM RIVER PLANT – RELIEF
  • N AND W RAILROAD – CONNEAUT
  • NAPOLEON WATER WORKS AND ELECTRIC LIGHT CO. – NAPOLEON
  • NAPOLEON WATER WORKS AND ELECTRIC LT PLANT – NAPOLEON
  • NASA – SANDUSKY
  • NASA PLUM BROOK STATION – SANDUSKY
  • NAT. SHEET STEEL CO. – MANSFIELD
  • NATIONAL ACME CO. – CLEVELAND
  • NATIONAL ADVISORY COMMITTEE – CLEVELAND
  • NATIONAL ARTIFICIAL SILK CO. – CLEVELAND
  • NATIONAL BISCUIT CO. – MANSFIELD
  • NATIONAL BOX BOARD CO – MIDDLETOWN
  • NATIONAL CARBON CO, INC. – EDGEWATER WORKS, CLEVE.,
  • NATIONAL CASH REGISTER CO – DAYTON
  • NATIONAL CHEMICAL CO. – NEWBURGH
  • NATIONAL DISTILLERS AND CHEMICAL CORP. – CINCINNATI
  • NATIONAL DISTILLERS PROD CORP – CINCINNATI
  • NATIONAL DRILLING MACH CO – BARBERTON
  • NATIONAL ELECTRIC CARBON – FOSTORIA
  • NATIONAL ELECTRIC LAMP ASSOCIATION – CLEVELAND
  • NATIONAL FIRE PROOFING CO. – AULTMAN
  • NATIONAL HOME FOR D.US – DAYTON
  • NATIONAL HOME FOR DISABLED VOLUNTEER SOLDIERS – DAYTON
  • NATIONAL LAMP WORKS OF GENERAL ELECTRIC CO. – NELA PARK CLEVELAND
  • NATIONAL LEAD CO – CINCINNATI
  • NATIONAL LIME AND STONE CO. – CAREY
  • NATIONAL LINSEED OIL CO – PIQUE
  • NATIONAL MALLEABLE CASTINGS CO – TOLEDO
  • NATIONAL MILLING CO – TOLEDO
  • NATIONAL MORTAR AND SUPPLY CO. – GIBSONBURG
  • NATIONAL POWER MACHINERY CO. – CLEVELAND
  • NATIONAL QUALITY LAMP DIV OF GENERAL ELECTRIC CO – CLEVELAND
  • NATIONAL RAY CHEMICAL PLANT – PAINESVILLE
  • NATIONAL SCREW AND MANUFACTURING CO – CLEVELAND
  • NATIONAL SCREW AND TACK CO – CLEVELAND
  • NATIONAL STEEL CO. – MINGS JCT.
  • NATIONAL STEEL WORKS – BELLAIRE
  • NATIONAL STOVE CO. – LORAIN
  • NATIONAL SUPERIOR CO. – TOLEDO
  • NATIONAL SUPPLY CO – SPRINGFIELD
  • NATIONAL TIRE AND RUBBBER CO – EAST PALESTINE
  • NATIONAL TUBE CO – LORAIN
  • NATIONAL UNION BUILDING – TOLEDO
  • NATL ELECTRIC LAMP CO. – CLEVELAND
  • NEENAH PAPER, INCORPORATED – URBANA
  • NESTLE CO, INC. – SUNBURY
  • NEW BEDFORD GAS AND EDISON CO. – NEW BEDFORD
  • NEW BOSTON COKE – SCIOTO
  • NEW DEPARTURE DIV OF G.M.C. – SANDUSKY
  • NEW GENERAL OFFICE BUILDING. – CINCINNATI
  • NEW IDEA SPREADER CO. – COLDWATER
  • NEW JERSEY ZINC – ASHTABULA
  • NEW TOD AND CO – YOUNGSTOWN
  • NEW YORK CENTRAL RAILROAD CO – HOBSON
  • NEW YORK RAILROAD – ASHTABULA
  • NEW YORK, CHICAGO AND ST. LOUIS RAILROAD CO. – CONNEAUT
  • NEW YORKP. AND O. DOCK CO – RANDALL
  • NEWARK EXTUSION – NEWARK
  • NEWARK STOVE CO – NEWARK
  • NEWTON STEEL CO. – NEWTON FALLS
  • NICHOLS DRYER CO . – NORWOOD
  • NICKEL PLATE ROAD – CONNEAUT
  • NILES BEMENT POND CO. – HAMILTON
  • NILES BEURESIT PORCH CO – NILES
  • NILES GENERATING PLANT – NILES
  • NILES GLASS WORKS DIV OF GENERAL ELECTRIC – NILES
  • NILES IRON AND SHEET CO. – NILES
  • NILES POWER PLANT – NILES
  • NILES TOOL WORKS CO. – HAMILTON
  • NITROGEN DIV ALLIED CHEM AND DYE CORP – SOUTH POINT
  • NITROGEN PETROCHEMICAL PLANT – LIMA
  • NO 1 REFINERY – CLEVELAND
  • NO. TEXAS TRACTION CO. – CLEVELAND
  • NORDYKE AND MARMON – TOLEDO
  • NORFOLK AND WESTERN RAILROAD – COLUMBUS
  • NORFOLK AND WESTERN RAILWAY CO. – PORTSMOUTH
  • NORFOLK AND WESTERN RR – BELLEVUE
  • NORFOLK SOUTHERN RAILROAD – BELLEVUE
  • NORTH AMERICAN LEAD CO. – COLUMBUS
  • NORTH PLANT – STEUBENVILLE
  • NORTH SIDE HOSPITAL – YOUNGSTOWN
  • NORTH WESTERN OHIO LIGHT CO – LIMA
  • NORTHEAST OHIO REGIONAL SEWER DISTRICT – CUYAHOGA HEIGHTS
  • NORTHERN OHIO SUGAR CO SUBSIDIARY OF GREAT WESTERN SUGAR CO – FREMONT
  • NORTHERN OHIO TRACT CO. – CUYAHOGA FALLS
  • NORTHERN OHIO TRACTION AND LIGHT CO. – CANTON
  • NORTHERN OHIO TRACTION LIGHT CO. – BEDFORD
  • NORTHERN OHIO TRACTOR CO. – AKRON
  • NORTHERN REFRIGERATING CO. – TOLEDO
  • NORTHSIDE MEDICAL CENTER – YOUNGSTOWN
  • NORTHWESTERN RAILROAD – SUMMIT
  • NORTON MACHINERY CO. – CINCINNATI
  • NORWALK IRON STEEL CO – NORWALK
  • NORWOOD – CINCINNATI
  • NORWOOD HIGH SCHOOL – NORWOOD
  • NOVEON – AKRON
  • NUMBER 9 – WARREN
  • O. C. BARBER – AKRON
  • O. C. BARBER – BARBERTON
  • O.S. KELLY CO. – SPRINGFIELD
  • OAKWOOD ST. RAILWAY CO. – DAYTON
  • OBERLIN COLLEGE – ELYRIA
  • OBERLIN ELECTRIC AND HEATIN CO. – OBERLIN
  • OBERLIN GAS AND ELECTRIC CO. – OBERLIN
  • OCCIDENTAL PETROLEUM CORP – KENTON
  • OHIO AGRI EXPERIMENT STATION – WOOSTER
  • OHIO AGRICULTURAL RANDD CTR – WOOSTER
  • OHIO AND TEXAS SUGAR CO. – COLUMBUS
  • OHIO ASYLUM FOR EPILEPTICS – GALLIPOLIS
  • OHIO BASKING CO. – CLEVELAND
  • OHIO BOARD OF ADMINISTRATION – COLUMBUS
  • OHIO BOX BOARD CO – RITTMAN
  • OHIO BRASS CO. – MANSFIELD
  • OHIO CENTRAL RAILROAD – COLUMBUS
  • OHIO CENTRAL TRACTION – GALION
  • OHIO CEREAL CO – CIRCLEVILLE
  • OHIO EDISON CO. – MARION
  • OHIO EDISON COMPANY, ERIE – BERLIN HEIGHTS
  • OHIO EDISON ELECTRIC INSTALLATION CO. – MIDDLETOWN
  • OHIO ELECTRIC CO. – LIMA
  • OHIO ELECTRIC RAILROAD CO. – HEBRON
  • OHIO ELECTRIC RAILWAY CO. – HEBRON
  • OHIO FORGE AND MACHINE CORP. – CLEVELAND
  • OHIO FORGE CO. – CLEVELAND
  • OHIO FUEL GAS CO – TOLEDO
  • OHIO FUEL SUPPLY CO – SUGAR GROVE
  • OHIO HOSPITAL FOR EPILEPTICS. – SABLIPOLIS
  • OHIO INJECTOR CO – WADSWORTH
  • OHIO INSTITUTE FOR FEEBLE MINDED YOUTH – COLUMBUS
  • OHIO IRON AND STEEL CO. – LOWELLVILLE
  • OHIO IRON CO – ZANESVILLE
  • OHIO LIGHT AND POWER CO – NEWARK
  • OHIO MATCH CO. – WADSWORTH
  • OHIO MECHANICS INSTITUTE – CINCINNATI
  • OHIO MUNICIPAL POWER PLANT – ST. MARYS
  • OHIO NORTHERN UNIVERSITY – ADA
  • OHIO OIL – FINDLAY
  • OHIO PAPER BAG CO. – MIDDLETOWN
  • OHIO PENITENTIARY – COLUMBUS
  • OHIO POWER CO – WATERFORD
  • OHIO PUBLIC SERVICE CO – CLEVELAND
  • OHIO QUARRIES CO. – NORTH AMHERST
  • OHIO REFORMATORY FOR WOMEN – MARYSVILLE
  • OHIO RIVER EDISON CO – TORONTO
  • OHIO RIVER POWER INC. – DILLE BOTTOM
  • OHIO RUBBER CO – WILLOUGHBY
  • OHIO SALT CO – WADSWORTH
  • OHIO SASH AND DOOR CO. – CLEVELAND
  • OHIO SEAMLESS TUBE CO. – SHELBY
  • OHIO SERVICE CO. – NEW PHILADELPHIA
  • OHIO SOLDIERS AND SAILORS HOME – SANDUSKY
  • OHIO SOLDIERS AND SAILORS ORPHANS HOME – XENIA
  • OHIO STANDARD CHEMICAL CO. – SYLVANIA
  • OHIO STATE CHEMICAL CO. – SYLVANIA
  • OHIO STATE HOSPITAL DEPARTMENT OF PUBLIC WELFARE – LIMA
  • OHIO STATE HOSPITAL FOR EPILEPTICS – GALLIPOLIS
  • OHIO STATE PENITENTIARY – COLUMBUS
  • OHIO STATE POWER CO – BALLVILLE
  • OHIO STATE REFORMATORY – MANSFIELD
  • OHIO STATE TRAINING SCHOOL – MARION
  • OHIO STATE UNIVERSITY – COLUMBUS
  • OHIO STEEL CO. – YOUNGSTOWN
  • OHIO STEEL FOUNDRY CO. – LIMA
  • OHIO STEEL WORKS AND FURNACE – YOUNGSTOWN
  • OHIO STRAW BOARD CO. – URBANA
  • OHIO SUGAR CO. – OTTAWA
  • OHIO UNIVERSITY – ATHENS
  • OHIO UTILITIES CO – CIRCLEVILLE
  • OHIO VALLEY ELECTRIC CORP. – CHESHIRE
  • OHIO VALLEY PROJECT – MADISON
  • OHIO WESLEYAN UNIVERSITY – DAYTON
  • OPER. DIV – CLEVELAND
  • ORDNANCE PLANT – RAVENNA
  • OREGON WATER LIGHT AND RAILWAY CO – PORTLAND
  • ORION POWER HOLDINGS INC – NILES
  • ORR FELT AND BLANKET CO. – PIQUA
  • ORRVILLE MILK CONDENSING CO – ORRVILLE
  • ORRVILLE UTILITIES – ORRVILLE
  • ORVILLE POWERHOUSE – ORVILLE
  • OSBORN ENGR. CO – CLEVELAND
  • OTIS STEEL CO – CLEVELAND
  • OTTAWA SUGAR CO – OTTAWA
  • OUR LADY OF CINCINNATI COLLEGE – CINCINNATI
  • OWEN TIRE AND RUBBER CO. – BEDFORD
  • OWENS CORNING FIBERGLASS CORP – NEWARK
  • OWENS CORNING GLASS CO. – NEWARK
  • OWENS ILLINOIS GLASS CO – TOLEDO
  • OWENS ILLINOIS INC. – TOLEDO
  • OXFORD PAPER CO. – BARBERTON
  • OXYCHEM/OCCIDENTAL CHEM. – KENTON
  • P J SORG CO – MIDDLETOWN
  • P P MARSH AND CO – SPRINGFIELD
  • P P MAST AND CO – SPRINGFIELD
  • P R MITCHELL CO – CINCINNATI
  • P. HUBERTY – CLEVELAND
  • P. LORILLARD CO. – MIDDLETOWN
  • P. RAILROAD WESTERN LINES – WELLSVILLE
  • P. WAYDEN SADDLERY HARDWARE CO. – COLUMBUS
  • P.C.C. AND ST. L RAILWAY – COLUMBUS
  • P.C.C. AND ST. L. RAILROAD CO. – BRADFORD
  • P.J. SORG BRANCH – MIDDLETOWN
  • PACKAGING CORP OF AMERICA – RITTMAN
  • PACKAGING CORPORATION OF AMERICA – PITTMAN
  • PACKARD ELECTRIC DIV, G.M.C – WARRANT
  • PAIGE TUBE CO – WARREN
  • PAINESVILLE MUNI ELEC SYS – PAINESVILLE
  • PALMER MILLING CO – MIDDLETON
  • PANDG IVORY DALE PLANT – CINCINNATI
  • PARENT PAPER CO – MIDDLETOWN
  • PARK DROP FORGE CO. – CLEVELAND
  • PARKARD ELECTRIC DIV OF GMC – WARREN
  • PARKENSBURG, MARIETTA AND INTERURBAN RAILWAY CO – MARIETTA
  • PARKER ALLIANCE CO – CLEVELAND
  • PARKER HANNIFIN CORP. – GREEN CAMP
  • PARMA CITY SCHOOL DISTRICT – PARMA
  • PARMA SENIOR HIGH SCHOOL – PARMA
  • PARSEL ARMY AIR FORCES SUPPLY DEPOT – SHELBY
  • PATHEON PHARMACEUTICALS – CINCINNATI
  • PAUL A SORG CO – MIDDLETOWN
  • PAUL A. SORG PAPER CO – MIDDLETOWN
  • PAUL HENRY ICE PLANT – BARBERTON
  • PAUL STEWART AND CO – CINCINNATI
  • PCS CORP B.P. CHEMICALS – LIMA
  • PEACOCK COAL CO – POMEROY
  • PEAUT ANN SHEET AND TIN PLATE CO – MARTIN FERRY
  • PECK-ANDERSON AND PECK CO – CINCINNATI
  • PECKHAM COAL AND ICE CO – DAYTON
  • PEEBLES PAVING BRICK CO – PORTSMOUTH
  • PEERLESS DRAWN STEEL CO. – MASSILLON
  • PEERLESS MOTOR CAR CO. – CLEVELAND
  • PEERLESS PACKING CO. – CLEVELAND
  • PENN IRON AND COAL CO – CANAL DOVER
  • PENN SHOVEL CO – WARREN
  • PENNA AND LAKE ERIE DOCK CO. – FAIRPORT HARBOR
  • PENNA AND MAHONING VALLEY RAILROAD – YOUNGSTOWN
  • PENNA AND MAHONING VALLEY RAILWAY CO. – YOUNGSTOWN
  • PENNA AND OHIO RAILWAY – ASHTABULA
  • PENNA RAILROAD LINES WEST OF PITTSBG. – ASHTABULA
  • PENNSYLVANIA CO. – ASHTABULA
  • PENNSYLVANIA OHIO ELECTRIC CO. – LOUISVILLE
  • PENNSYLVANIA RAILROAD CO – CLEVELAND
  • PENTAIR – DAYTON
  • PEOPLES HOSPITAL – AKRON
  • PEOPLES PACKING CO – CLEVELAND
  • PEOPLES RAILWAY CO. – DAYTON
  • PERFECTION LAUNDRY CO. – SPRINGFIELD
  • PERFECTION STOVE CO. – CLEVELAND
  • PERRY FAY MANUFACTURING. CO. – ELYRIA
  • PERRY PAYNE CO – CLEVELAND
  • PERUNA DRUG MANUFACTURING CO. – COLUMBUS
  • PET MILK CO. – BRYAN
  • PETERS CARTRIDGE CO – KINGS MILLS
  • PETERS DASH CO – COLUMBUS
  • PHARIS TIRE AND RUBBER CO – NEWARK
  • PHILADELPHIA RUBBER WORKS CO. – AKRON
  • PHILIP CAREY MANUFACTURING. CO. – LOCKLAND
  • PHILO PLANT – PHILO
  • PHS ST. MICHAELS – CLEVELAND
  • PICKANDS MATHER AND CO. – CLEVELAND
  • PICTET ICE CO – CLEVELAND
  • PINNEO AND DANIELS CO. – DAYTON
  • PIQUA EDISON E ILL'G CO – PIQUA
  • PIQUA ELECTRIC CO. – PIQUA
  • PIQUA ST. RAILWAY CO. – PIQUA
  • PIQUA STRAW BOARD CO. – TIPPECANOE CITY
  • PITTSBURG AND CONNEAUT DOCK CO. – ASHTABULA HARBOR
  • PITTSBURG COKE AND CHEMICAL CO STRUTHER FURNACE DIV – STRUTHERS
  • PITTSBURG PLATE GLASS CO. – CINCINNATI
  • PITTSBURGH AND CONNEAUT DOCK CO – CONNEAUT
  • PITTSBURGH PLATE GLASS COMPANY – VERNON
  • PITTSBURGH VALVE AND FITTING CO. – BARBERTON
  • PJ SOR AND CO – MIDDLETOWN
  • PLAIN DEALER PUBLISHING CO – CLEVELAND
  • PLANT 1 – AKRON
  • PLANT 2 – CINCINNATI
  • PLANT A – CANTON
  • PLANT B – AKRON
  • PLANT NUMBER 1 – TROY
  • PLASTICS AND COAL CHEM DIV ALLIED CHEM AND DYE CORP – STRUTHERS
  • PLATT IRON WORKS – DAYTON
  • PLUM RUN SIDING – ADAMS COUNTY
  • PMC INC – CINCINNATI
  • PMC SPECIALTIES INC. – CINCINNATI
  • POLLAC STEEL CO. – CINCINNATI
  • POLLOCK - BECKER CO. – ASHTABULA HARBOR
  • POMEROY SALT ASSOCIATION CO. – POMEROY
  • POPE TIN PLATE CO – STEUBENVILLE
  • PORT PLASTICS PLANT – ADDYSTON
  • PORTAGE MACHINE CO. – AKRON
  • PORTAGE RUBBER CO – BARBERTON
  • PORTAGE STRAW BOARD CO. – AKRON
  • PORTLAND MACHINERY CO – PORTLAND
  • PORTSMOUTH SOLVAY COKE CO. – PORTSMOUTH
  • PORTSMOUTH ST. RAILROAD AND LIGHT CO – NEW BOSTON
  • PORTSMOUTH ST. RAILWAY AND LIGHT CO. – PORTSMOUTH
  • PORTSMOUTH STEEL CO – PORTSMOUTH
  • PORTSMOUTH STREET RR. AND LIGHT CO – NEW BOSTON
  • PORTSMOUTH WORKS – NEW BOSTON
  • POST PUBLISHING CO. – CINCINNATI
  • POWER BUILDING CO – CINCINNATI
  • POWER HOUSE – WOOSTER
  • PRAIRIE STATES PAPER CO – MIDDLETOWN
  • PREMARK INTERNATIONAL – TROY
  • PREMIER HEALTH PARTNERS – DAYTON
  • PREMIER RUBBER CO. – DAYTON
  • PRESSED BRICK CO. – DAYTON
  • PRESSING AND ORR CO. – CIRCLEVILLE
  • PRINCETON SCHOOL – YOUNGSTOWN
  • PROCTER & GAMBLE IVORYDALE PLANT – CINCINNATI
  • PROCTER AND GAMBLE – IVORYDALE
  • PROCTER AND GAMBLE CO – CINCINNATI
  • PROCTER AND GAMBLE CO – IVORYDALE
  • PROCTER AND GAMBLE CO. – ST BERNARD
  • PROCTER AND GAMBLE CO. LEON WITTAKER – CINCINNATI
  • PROCTER AND GAMBLE HCRC PERMIT #5388 – MASON
  • PROCTER AND GAMBLE MANUFACTURING. CO – CINCINNATI
  • PROCTER AND GAMBLE MANUFACTURING. CO. – IVORYDALE
  • PROCTOR AND GAMBLE CO. – IVORYDALE
  • PROCTOR AND GAMBLE – MASON
  • PROCTOR AND GAMBLE CO – CINCINNATI
  • PROCTOR AND GAMBLE CO – MASON
  • PROCTOR AND GAMBLE CO. – VENICE
  • PROCTOR AND GAMBLE MANUFACTURING CO – CINCINNATI
  • PROCTOR GAMBLE CO. – IVORYDALE
  • PROVIDENCE HOSPITAL – CINCINNATI
  • PROVIDENCE HOSPITAL – SANDUSKY
  • PROVIDENT COAL CO. – PROVIDENT
  • PROVIDENT SAVINGS BANK AND TRUST CO. – CINCINNATI
  • PUBLIC SERVICE CO – COLUMBUS
  • PURE GUM SPECIALTY CO. – BARBERTON
  • PURITAN BRICK CO. – HAMDEN
  • PZESTON OIL CO. – PAVONIA
  • QUAKER OATS CO – MARION
  • QUAKER OATS CO MERCHANDISE MART PLAZA – MARION
  • QUAKER OATS CO. – AKRON
  • QUEEN CITY SUPPLY CO. – CINCINNATI
  • R C A RUBBER CO. – AKRON
  • R E BURGER GENERATING STA – SHADYSIDE
  • R E BURGER GENERATION – SHADYSIDE
  • R. E. BURGER STATION – SHADYSIDE
  • R. M. I. CO – ASHTABULA
  • R.E. BURGER POWER STATION – SHADYSIDE
  • R.E. BURGER STATION UNIT #15 – SHADYSIDE
  • R.K. LE BLOND MACHINE TOOL CO. – LINWOOD, CINCINNATI
  • R.O. APELT AND SONS – CLEVELAND
  • R.O. APELT GREENHOUSE – CLEVELAND
  • RAINBOW TIRE AND RUBBER CO. – DELAWARE
  • RAJAH OIL CO. – YOUNGSTOWN
  • RANDALL AND EDSELL – DELAWARE
  • RAPID RAILWAY CO. – CINCINNATI
  • RAPID RAILWAY CO. – SOUTH LEBANON
  • RAUCH AND LANG CARRIAGE CO – CLEVELAND
  • RAUCH AND LAUG CARRIAGE CO. – CLEVELAND
  • RAVENNA ORDNANCE – RAVENNA
  • RAVENNA ORDNANCE PLANT – RAVENNA
  • RAYEN SCHOOL – YOUNGSTOWN
  • RAYMOND P. LIFE CO. – BRYAN
  • RECORDING AND COMPUTING MACHINE CO. – DAYTON
  • RED TOP BREWING CO – CINCINNATI
  • REEVES BROTHERS – ALLIANCE
  • REEVES BROTHERS CO. – ALLIANCE
  • REEVES COAL CO – NEW PHILADELPHIA
  • REEVES COAL CO. – CANAL DOVER
  • REEVES IRON CO. – CANAL DOVER
  • REEVES MANUFACTURING CO. – DOVER
  • RELIANT ENERGY – NILES
  • RENCO GROUP, INC. WARREN WORKS – WARREN
  • RENKERT BUILDING – CANTON
  • RENNER BREWING CO. – AKRON
  • REPUBLIC ENGINEERED STEELS – MASSILLON
  • REPUBLIC I AND D CO. – YOUNGSTOWN
  • REPUBLIC I AND S CO – YOUNGSTOWN
  • REPUBLIC I AND S CO. – YOUNGSTOWN
  • REPUBLIC IRON AND STEEL CO – YOUNGSTOWN
  • REPUBLIC IRON AND STEEL CO – NILES
  • REPUBLIC IRON AND STEEL CO. – HASELTON
  • REPUBLIC IRON STEEL CO – YOUNGSTOWN
  • REPUBLIC RAILWAY AND LIGHT CO. – LOWELLVILLE
  • REPUBLIC RUBBER CO. – YOUNGSTOWN
  • REPUBLIC RUBBER DIV LEE RUBBER AND TIRE CORP. – YOUNGSTOWN
  • REPUBLIC STAMPING AND ENAMELING CO. – CANTON
  • REPUBLIC STAMPING AND ENAMELLING CO. – CANTON
  • REPUBLIC STEEL – MASSILON
  • REPUBLIC STEEL CO – MASSILLON
  • REPUBLIC STEEL CO – YOUNGSTOWN
  • REPUBLIC STEEL CO TRUSCON DIV – YOUNGSTOWN
  • REPUBLIC STEEL CORP – CANTON
  • REPUBLIC STEEL CORP – CELEVELAND
  • REPUBLIC STEEL CORP – CLEVELAND
  • REPUBLIC STEEL CORP – WARREN
  • REPUBLIC STEEL CORP – YOUNGSTOWN
  • REPUBLIC STEEL CORP CANTON DIV – CANTON
  • REPUBLIC STEEL CORP. UNION DRAWN STEEL DIV – MASSILON
  • REPUBLIC STEEL CORPORATION – LORAIN
  • REPUBLIC T AND D CO – YOUNGSTOWN
  • REPUBLIC TECH. INTL JAMES L. MCBEATH – CANTON
  • REPUBLIC TECHNOLOGIES – CANTON
  • REPUBLIC TECHNOLOGIES – MASSILLON
  • REPUBLIC TECHNOLOGIES – COLESVILLE
  • REX FILE CO – NEW COMERSTOWN
  • REYNOLDS AND REYNOLDS CO – DAYTON
  • REYNOLDS METALS CO. – NEWARK
  • RICH LADDER AND MANUFACTURING CO – CINCINNATI
  • RICHARD GORSUCH STATION – MARIETTA
  • RICHARDSON PAPER CO – LOCKLAND
  • RICHLAND STEEL CO – MANSFIELD
  • RIDGEWOOD STEEL CO. - CARTHAGE – CINCINNATI
  • RIKE-KUMLER CO. – DAYTON
  • RINEHART BALLARD AND CO. – SPRINGFIELD
  • RITTMAN PAPERBOARD – RITTMAN
  • RITTMAN PARERBOARD – RITMAN
  • RITTMAN PARERBOARD – RITTMAN
  • RIVER DOCK AND FURNACE CO. – CLEVELAND
  • RIVER FURNACE AND DOCK CO – CLEVELAND
  • RIVER FURNACE CO – CLEVELAND
  • RIVER PUMPING STATION – CALIFORNIA
  • RIVER PUMPING STATION – CINCINNATI
  • RIVERSIDE BRIDGE CO. – MARTINS FERRY
  • RJF INTERNATIONAL CORP. – MARIETTA
  • ROBBINS AND MYERS INC – SPRINGFIELD
  • ROBINSON BROTHERS CO. – AKRON
  • ROBINSON CLAY PRODUCTS CO – PARRAL
  • ROBINSON CLAY PRODUCTS CO. – AKRON
  • ROBINSON CLAY PRODUCTS CO. – MALVERN
  • ROBISON CLAY PRODUCT CO. – PARRAL
  • ROCKEFELLER BUILDING – CLEVELAND
  • ROCKWELL MANUFACTURING. CO. – BARB
  • ROCKY RIVER HIGH SCHOOL – ROCKY RIVER
  • ROCKY RIVER HIGH SCHOOL – CLEVELAND
  • RODERICK LEAN MANUFACTURING. CO. – MANSFIELD
  • ROGERS BROWN CO. – IRONTON
  • ROLL MACHINE WORKS – CANTON
  • ROSS LABORATORIES DIV OF ABBOTT LABORATORIES – COLUMBUS
  • RUBBER CO. – AKRON
  • RUBBER PRODUCTS CO. – BARBERTON
  • RUSH STREET BOILER HOUSE – ALLIANCE
  • RUSSELL AND CO – MASSILLON
  • RUSSELL ENG. CO. – MASSILLON
  • RUST ENGINEERING COMPANY – TOLEDO
  • S. A. ESSWEIN HEATING AND PLUMBING CO. – COLUMBUS
  • S. C. M. CHEMICAL PLANT #2 – ASHTABULA
  • SAFE CABINET CO – MARIETTA
  • SAINT LUKES MEMORIAL HOSPITAL – CLEVELAND
  • SALEM IRON CO – LEETONIA
  • SALEM WATER WORKS – SALEM
  • SAMUEL AUSTIN AND SONS CO – CLEVELAND
  • SAMUEL HANNAFORD AND SONS, ARCHITECTS – CINCINNATI
  • SANDUSKY AND INTERUBAN ST. RAILWAY CO. – SANDUCSKY
  • SANDUSKY AND INTERURBAN ELECTRIC RAILWAY – SANDUSKY
  • SANDUSKY CEMENT CO. – BAY BRIDGE
  • SANDUSKY CEMENT CO. – SILICA
  • SANDUSKY FOUNDRY AND MACHINE CO – SANDUSKY
  • SANDUSKY GAS AND ELECTRIC CO. – SANDUSKY
  • SANDUSKY PORTLAND CEMENT CO – BAY BRIDGE
  • SANITARY PLUMBING CO. – COLUMBUS
  • SARA LEE FOOD & BEVERAGE – CINCINNATI
  • SARA PAPER CO. – MIDDLETOWN
  • SAUNDERS AND ESSWEIN – COLUMBUS
  • SAUNDERS AND ESSWEIN – JACKSON
  • SAYERS AND SCOVILL – CINCINNATI
  • SAYERS AND SCOVILL – BRIGHTON STA.
  • SAYERS AND SCOVILL CO. – CINCINNATI
  • SCHANTZ AND SCHWIND BREWING CO. – DAYTON
  • SCHENLEY DISTILLERS INC – CINCINNATI
  • SCHLATHEN BREWING CO – CLEVELAND
  • SCIOTO ORDNANCE PLANT – MARION
  • SCIOTO RIVER PUMPING STATION, DEPARTMENT. OF PUBLIC SERVICE (CITY OF COLUMBUS) – FRANKLIN TOWNSHIP, FRANKLIN CO.
  • SCM CHEMICALS PLANT NO. 2 – ASHTABULA
  • SCM CHEMICALS PLANT NO. 2 – GENEVA
  • SEBRING POTTERY CO – SEBRING
  • SECOND NATIONAL BANK BUILDING – TOLEDO
  • SEIBERLING RUBBER CO. – BARBERTON
  • SEILON INC – NEWSCOMERSTOWN
  • SELBY SHOE CO – PORTSMOUTH
  • SEMET SOLVAY CO – IRONTON
  • SEMET-SOLVAY CO. – BELLAIRE
  • SEVERSTAL WARREN – WARREN
  • SEVERSTAL WHEELING, INCORPORATED – MARTINS FERRY
  • SHAKER CO – CLEVELAND
  • SHARON STEEL CORP – LOWELLVILLE
  • SHARON STEEL HOOP CO – LOWELLVILLE
  • SHARON STEEL HOOP CO. – YOUNGSTOWN
  • SHARPSVILLE FURNACE CO. – CLEVELAND
  • SHARTLE BROTHERS MACHINE CO – MIDDLETOWN
  • SHARTLE BROTHERS MACHINE CO. – CLEVELAND
  • SHARTLE MACHINE CO. – COLUMBUS
  • SHAWNEE REFRIGERATION CO – XENIA
  • SHELBY DEPT OF UTILITIES – SHELBY
  • SHELBY ELECTRIC LIGHT CO. – SHEBLY
  • SHELLMAN PRODUCTS CORP – MOUNT VERNON
  • SHELLMAR PRODUCTS – MOUNT VERNON
  • SHELLMAR PRODUCTS CO. – MOUNT VERNON
  • SHELLY ELECTRIC CO. – SHELLY
  • SHELLY TRACTOR AND TRUCK CO. – SHELLY
  • SHERIFF ST. MARKET AND STGE CO. – CLEVELAND
  • SHERIFF STREET MARKET AND STORAGE CO. – CLEVELAND
  • SHERWIN WILLIAMS CO – CLEVELAND
  • SHULER AND BENNINGHOFEN – HAMILTON
  • SIBERLING RUBBER – AKRON
  • SIDNEY STEEL SCRAP AND CO. – SIDNEY
  • SIEMENS – LEBANON
  • SIEMENS CORP – NORWOOD
  • SINCLAIR REFINERY – CLEVELAND
  • SINTON HOTEL – CINCINNATI
  • SISTER OF CHARITY GOOD SAMARITAN HOSPITAL – DAYTON
  • SISTERS OF CHARITY – CINCINNATI
  • SISTERS OF CHARITY GOOD SAMARITAIN HOSPITAL – DAYTON
  • SMITH AGRICULCURAL CHEMICAL CO. – COLUMBUS
  • SMITH BREWING CO. – YOUNGSTOWN
  • SMURFIT STONE CORP – COSHOCTON
  • SMURFIT STONE CORP. MIDDLETOWN BOXBOARD MILL – MIDDLETOWN
  • SNIDER PRESERVE CO. – HAMILTON
  • SODEXHO – YOUNGSTOWN
  • SOHIO CHEMICAL – LIMA
  • SOLID STEEL CO – ALLIANCE
  • SOLID STEEL CO – CLEVELAND
  • SOLID WASTE AUTH CENTRAL OHIO – COLUMBUS
  • SOLVAY PROCESS CO – IRONTON
  • SOLVAY PROCESS CO – SOUTH POINT
  • SOLVAY PROCESS DIV ALLIED CHEM AND DYE CORP – SOUTH POINT
  • SOMERS CORPORATION – CELINA
  • SORG PAPER – MIDDLETOWN
  • SORG PAPER MOSINEE PAPER – MIDDLETOWN
  • SORG PAPER CO – MIDDLETOWN
  • SORG PAPER COMPANY – MIDDLETON
  • SORG PAPER COMPANY – SOUTH POINT
  • SORG PULP CO – MIDDLETOWN
  • SORP PAPER – MIDDLETOWN
  • SORP PAPER JEFF HOLLAND – MIDDLETOWN
  • SORQ PULP CO LTD – MIDDLETOWN
  • SOUTH BEND CARTON CO – CLEVELAND
  • SOUTH ORDANCE – SOUTH POINT
  • SOUTH POINT ETHANOL – SOUTH POINT
  • SOUTH POINT PLANT – SOUTH POINT
  • SOUTH WESTERN PORTLAND CEMENT – OSBORN
  • SOUTHERLY SEWAGE – CUYAHOGA HTS.
  • SOUTHERLY SEWAGE – CLEVELAND
  • SOUTHERN ALKALI CORP. – BARBERTON
  • SOUTHERN OHIO CORRECTIONAL INSTITUTE – LUCASVILLE
  • SOUTHERN OHIO ELECTRIC – DELAWARE
  • SOUTHERN OHIO ELECTRIC CO – FLOODWOOD
  • SOUTHWESTERN PORTLAND CEMENT CO – OSBORN
  • SOZONIAN VAULT CO. – BUCYZUS
  • SPECIALTY STEELS DIV ZANE – ZANESVILLE
  • SPECIALTY STEELS DIVISION – ZANESVILLE
  • SPICER MANUFACTURING. DIV OF DANA CORP. – TOLEDO
  • SPRINGFIELD LIGHT HEAT AND POWER CO. – SPRINGFIELD
  • SPRINGFIELD MANUFACTURING. AND POWER PLANT – SPRINGFIELD
  • SPRINGFIELD RAILWAY CO – SPRINGFIELD
  • SPRINGFIELD TROY AND PRANA INTERERBAN RR – SPRINGFIELD
  • SPRINGFIELD WATER WORKS – SPRINGFIELD
  • ST ELIZABETH HOSPITAL – YOUNGSTOWN
  • ST MARYS MUN LIGHT AND POWER – SAINT MARYS
  • ST. ALEXIS HOSPITAL – CLEVELAND
  • ST. BERNARD HIGH SCHOOL – ST BERNARD
  • ST. JOSEPH HOSPITAL – LORAIN
  • ST. MICHAEL'S HOSPITAL – CLEVELAND
  • ST. VINCENT CHARITY HOSPITAL – CLEVELAND
  • ST. VINCENTS HOSPITAL – TOLEDO
  • STALEY'S – DECATUR
  • STANDARD ADVERTISING CO – COSHOCTON
  • STANDARD BRANDS – CINCINNATI
  • STANDARD BRANDS INCOPORATED – NAPOLEON
  • STANDARD BREWING CO – CLEVELAND
  • STANDARD BRICK CO – CLEVELAND
  • STANDARD CHAIN CO. – COLUMBUS
  • STANDARD IRON CO. – BRIDGEPORT
  • STANDARD LIGHT AND POWER CO. – FOSTORIA
  • STANDARD OIL – LORAIN
  • STANDARD OIL – OREGON
  • STANDARD OIL CO – CLEVELAND
  • STANDARD OIL CO OF OHIO – CLEVELAND
  • STANDARD OIL CO OF OHIO – TOLEDO
  • STANDARD OIL CO. – LIMA
  • STANDARD PRODUCTS CO. – PORT CLINTON
  • STANDARD SILICATE CO. – CINCINNATI
  • STANDARD STEEL SPRING CO NEWTONFALLS DIV – NEWTON FALLS
  • STANDARD STEEL SPRING DIV ROCKWELL SPRING AND AXEL CO – NEWTON FALLS
  • STANDARD TIRE CO. – WILLOUGHBY
  • STANDARD TOOL CO. – CLEVELAND
  • STANDARD WELDING CO – CLEVELAND
  • STAR RUBBER CO. – AKRON
  • STARK ELECTRIC CO. – ALLIANCE
  • STARK ELECTRIC RAILROAD CO. – ALLIANCE
  • STARK ROLLING MILL CO. – CANTON
  • STATE OF OHIO – NORTHFIELD
  • STATE OF OHIO – OXFORD
  • STATE OF OHIO AGRICULTURAL EXPERIMENT STATION – WOOSTER
  • STAUFFER CHEMICAL – MORAINE
  • STAUFFER CHEMICAL CO. – PERRY
  • STEARNS AND FOSTER – LOCKLAND
  • STEARNS AND FOSTER CO – LOCKLAND
  • STEARNS AND FOSTER CO. – CINCINNATI
  • STEARNS TECH. TEXTILES – CINCINNATI
  • STEARNS TECH. TEXTILES – LOCKLAND
  • STEARNS TECHNICAL TEXTILE – CINCINNATI
  • STEARNS TECHNOLOGIES – CINCINNATI
  • STEELE HIGH SCHOOL – DAYTON
  • STEINMAN AND MEYER FURNITURE CO. – CINCINNATI
  • STERLING GRINDING WHEEL CO. – TIFFIN
  • STERLING PAPER CO. – HAMILTON
  • STEUBENVILLE ICE CO. – STEUBENVILLE
  • STEUBENVILLE MINGO AND OHIO VALLEY TRACT CO – BRILLIANT
  • STEUBENVILLE TRACTION AND LIGHT CO. – STEUBENVILLE
  • STILLWELL-BIERCE AND SMTIH VAILE CO. – DAYTON
  • STIRLING AVE PLANT – BARBERTON
  • STIRLING GRINDING CO – TIFFIN
  • STIRLING GRINDING WHEEL DIV OF CLEVELAND QUARRIES CO. – TIFFIN
  • STIVERS MANUAL TRAINING HIGH SCHOOL – DAYTON
  • STODDARD MANUFACTURING CO – DAYTON
  • STOKER AT WITTENBURG COLLEGE – SPRINGFIELD
  • STOKLEY FOODS INC. – CURTICE
  • STONE CONTAINER CORP – COSHOCTON
  • STONE CONTAINER CORP – MOUNT VERNON
  • STONE CONTAINER CORP BOXBOARD MILLS DIV – FRANKLIN
  • STONE CONTAINER CORP COSHOCTON DIV – COSHOCTON
  • STRATTON POWER STATION – STRATTON
  • STRIETMANN BISCUIT CO. – MARIEMONT
  • STRUTHERS FINANCE CO. – STRUTHERS
  • STRUTHERS FURNACE CO – STRUTHERS
  • STRUTHERS FURNACE CO. – CLEVELAND
  • STRUTHERS I AND S CO – STRUTHERS
  • STRUTHERS ICE CO. – STRUTHERS
  • STRUTHERS IRON AND STEEL CO. – STRUTHERS
  • STRUTHERS WORKS – STRUTHERS
  • STUART GENERATING STATION – ABERDEEN
  • STUEBENVILLE TRACT AND LIGHT CO. – STEUBENVILLE
  • SUBURBAN LIGHT AND POWER CO. – ALLIANCE
  • SUBURBAN TRACTION CO. – CINCINNATI
  • SUCHER PACKING CO. – DAYTON
  • SUN CO. INC. – OREGON
  • SUN OIL CO – TOLEDO
  • SUN OIL COMPANY – LIMA
  • SUN OIL COMPANY – OREGON
  • SUNLIGHT CREAMERIES – WASHINGTON COURT HOUSE
  • SUNOCO COMPANY – OREGON
  • SUNOCO, INCORPORATED – HAVERHILL
  • SUPERIOR DAIRY CO – CANTON
  • SUPERIOR DAIRY, INCORPORATED – COLESVILLE
  • SUPERIOR SHEET STEEL – CANTON
  • SUPERIOR'S BRAND MEATS, INC. – MASSILLON
  • SWELAND BLDING – CLEVELAND
  • SWIFT AND CO – CLEVELAND
  • SWIFT AND CO – COLUMBUS
  • SZERE PULP AND PAPER CO. – FRANKLIN
  • T GRAY AND CO – PIQUA
  • T. J. COOKSON – CINCINNATI
  • T. J. HANLEY – COSHOCTON
  • TAYLOR AND THOMAS – NILES
  • TAYLOR CHAIR CO. – BEDFORD
  • TELEDYNE MONARCH RUBBER CO. – HARTVILLE
  • TELLING BELLE VERNON CO – WELLINGTON
  • TENNIS RAILWAY EQUIPMENT CO. – CINCINNATI
  • TERMINAL TOWER – CLEVELAND
  • TERNSTEDT DIV G.M.C. – CLEVELAND
  • TERNSTEDT DIV GMC – COLUMBUS
  • TERRACE HILTON HOTEL – CINCINNATI
  • TERSTEDT DIV GMC – COLUMBUS
  • TEXTILE LEATHER CO. – TOLEDO
  • THE FACTORY POWER COMPANY – CINCINNATI
  • THE TIMKEN COMPANY – COLESVILLE
  • THE TIMKEN CORPORATION – CANTON
  • THEODOR KUNDTZ CO – CLEVELAND
  • THEW AUTOMATIC SHOVEL CO. – LORAIN
  • THOMAS EMERY SONS INC – CINCINNATI
  • THOMAS FURNACE CO – NILES
  • THOMAS PHILLIPS CO – AKRON
  • THOMAS STEEL CO – WARREN
  • THOMAS STEEL CO. – NILES
  • THOMAS T GAFF – CINCINNATI
  • THOMPSON PRODUCTS CO – CLEVELAND
  • THOS PHILLIPS CO – AKRON
  • THRO' GEO. S. RIDER CO. – CLEVELAND
  • TIDD PLANT – BRILLIANT
  • TIDD STATION – BRILLIANT
  • TIFFIN EDISON ELECTRIC ILL. CO. – TIFFIN
  • TIFFIN EDISON ELECTRICAL ILL'G CO – TIFFIN
  • TIMBEN ROLLER BEARING CO. – COLUMBUS
  • TIMET METAL CORPORATION OF AMERICA – TORONTO
  • TIMKEN MERCY HOSPITAL – CANTON
  • TIMKEN MERCY MEDICAL CENTER – CANTON
  • TIMKEN PRODUCTS – CANTON
  • TIMKEN ROLLER BEARING AXLE CO. – CANTON
  • TIMKEN ROLLER BEARING CO – CANTON
  • TIMKEN ROLLER BEARING CO – COLUMBUS
  • TIMKEN ROLLER BEARING CO – GAMBRINUS
  • TIMKIN ROLLER BEARING CO – GABRINUS
  • TLHE TOLEDO GRAIN AND MILLING CO. – TOLEDO
  • TOLDEO EDISON COMPANY – PORT CLINTON
  • TOLEDO BOLT AND NUT CO – TOLEDO
  • TOLEDO AND INDIANA RAILROAD – TOLEDO
  • TOLEDO AND INDIANA RAILROAD CO. – STRYKER
  • TOLEDO AND OHIO CENTRAL RAILROAD – KENTON
  • TOLEDO AND WESTERN RAILWAY – SYLVANIA
  • TOLEDO AND WESTERN RAILWAY – TOLEDO
  • TOLEDO BAWLING GREEN AND SOUTHERN TRACTION CO. – CYGNET
  • TOLEDO BEE CO – TOLEDO
  • TOLEDO BREWING AND MALTING CO. – TOLEDO
  • TOLEDO BRIDGE AND CRANE CO – TOLEDO
  • TOLEDO CONSOLIDATED ST. RAILWAY CO. – TOLEDO
  • TOLEDO DISPOSAL CO. – WEST TOLEDO
  • TOLEDO EDISON AND CLEVELAND ELECTRIC ILL CO – OTTAWA COUNTY
  • TOLEDO EDISON CO – DILLES BOTTOM
  • TOLEDO EDISON CO – OREGON
  • TOLEDO EDISON CO BAYSHORE STATION – OREGON
  • TOLEDO EDISON CO. – TOLEDO
  • TOLEDO EDISON CO. – STRYKER
  • TOLEDO EDISON CO. ACME STATION – TOLEDO
  • TOLEDO EDISON CO. PLANT X – TOLEDO
  • TOLEDO EDISON COMPANY, DAVIS BESSE PLANT – PORT CLINTON
  • TOLEDO FREMONT AND NORWALK ELECTRIC RAILWAY CO. – FREMONT
  • TOLEDO FURNACE CO – TOLEDO
  • TOLEDO FURNANCE CO – TOLEDO
  • TOLEDO GAS AND ELECTRIC CO – TOLEDO
  • TOLEDO GAS ELECTRIC AND HEATING. CO. – TOLEDO
  • TOLEDO HEATING AND LIGHTING CO – TOLEDO
  • TOLEDO MACHINE AND TOOL CO. – TOLEDO
  • TOLEDO MACHINE TOOL CO. – TOLEDO
  • TOLEDO MASSILLON BRIDGE CO – TOLEDO
  • TOLEDO NEWSPAPER CO – TOLEDO
  • TOLEDO PLANT – TOLEDO
  • TOLEDO POST CEMENT CO. – TOLEDO
  • TOLEDO RAILWAY AND LIGHT CO – TOLEDO
  • TOLEDO RAILWAYS AND LIGHT CO. – TOLEDO
  • TOLEDO STATE HOSPITAL – TOLEDO
  • TOLEDO STEEL CASTING CO. – TOLEDO
  • TOLEDO STORAGE AND INC. CO. – TOLEDO
  • TOLEDO STORAGE ICE CO – TOLEDO
  • TOLEDO URBAN AND INTERURBAN RAILWAY DO. – FINDLAY
  • TOLEDO WATER WORKS – TOLEDO
  • TOLEDO, BOWLING GREEN AND SOUTHERN RAILWAY CO. – FINDLAY
  • TOLEDO, BOWLING GREEN AND SOUTHERN TRACTION CO – FINDLAY
  • TOLEDO, COLUMBUS AND CINCINNATI RAY. CO. – TOLEDO
  • TOLEDO, FOSTORIA AND FINDLAY RAILWAY – FOSTORIA
  • TOLEDO, PORT CLINTON AND LAKESIDE RAILWAY – PORT CLINTON
  • TOLEDO, ST LOUIS AND WESTERN RR CO – TOLEDO
  • TORONTO PAPER MANUFACTURING. CO. – TORONTO
  • TORONTO PAPER MILLS – TORONTO
  • TORONTO POWER STATION – TORONTO
  • TORONTO STATION – AKRON
  • TRACTION BUILDING – CINCINNATI
  • TRAILER CO. OF AMERICA – CINCINNATI
  • TRANSUE AND WILLIAMS STEEL FORGING CO – ALLIANCE
  • TRANSUE AND WILLLIAMS CO. – ALLIANCE
  • TRAY LAUNDRY CO. – CLEVELAND
  • TRI STATE RAILWAY AND ELECTRIC CO. – EAST LIVERPOOL
  • TRI STATE RAILWAY AND ELECTRIC CO. – STEUBENVILLE
  • TRIUMPH MANUFACTURING. CO. – CINCINNATI
  • TROY CARRIAGE SUN SHADE CO. – TROY
  • TROY LAUNDERING CO – COLUMBUS
  • TROY LAUNDRY CO. – CLEVELAND
  • TROY SUNSHADE CO – TROY
  • TRUE TEMPER CORP – GENEVA
  • TRUMBELL PUBLIC SERVICES CO. – WARREN
  • TRUMBULL CLIFFS FURNACE CO – WARREN
  • TRUMBULL PUBLIC SERVICE CO – WARREN
  • TRUMBULL SERVICE CO. – WARREN
  • TRUMBULL STEEL CO – WARREN
  • TRUMBULL STEEL CO. – WARDWELL
  • TRUSCON STEEL CO – YOUNGSTOWN
  • TRUSSED CONCRETE STEEL CO. – YOUNGSTOWN
  • TRW EUCLID POWERHOUSE – EUCLID
  • TRW INC – CLEVELAND
  • TUCKER. ANTHONY AND CO. – HEBRON
  • TYHIS GARDNER PAPER AND MANUFACTURING. CO. – MIDDLETOWN
  • TYSON ROLLER BEARING CORP. – MASSILLON
  • TYTUS PAPER CO – MIDDLETOWN
  • U S CAST IRON PIPE AND LAUNDRY CO – ADDYSTON
  • U. S. STEEL – CLEVELAND
  • U. S. STEEL – LORAIN
  • U. S. STEEL – YOUNGSTOWN
  • U.S.S. STEEL – LORAIN
  • UNCLE JOHNS PLANT FARM – OLMSTED FALLS
  • UNION CARBIDE AND CARBONB CORP.; ELECTRO METALLURGICAL DIV – MARIETTA
  • UNION CARBIDE CORP CARBIDE PRODUCTS DIV – FOSTORIA
  • UNION CARBIDE CORP. – ASHTABULA
  • UNION CARBIDE CORPORATION – CLEVELAND
  • UNION CARBIDE CORPORATION – FOSTORIA
  • UNION CARBIDE CORPORATION – MARIETTA
  • UNION CARBIDE ELECTRO METALLURGICAL – ASHTABULA
  • UNION CENTRAL LIFE INSURANCE CO – CINCINNATI
  • UNION DISTILLING CO – CARTHAGE
  • UNION GAS AND ELECTRIC CO – CINCINNATI
  • UNION HEAT. LIGHT AND POWER CO. – CINCINNATI
  • UNION HEAT. LIGHT AND POWER. CO. – CINCINNATI
  • UNION IRON AND STEEL CO – YOUNGSTOWN
  • UNION IRON AND STEEL CO. – IRONTON
  • UNION ROLLING MILL CO – CLEVELAND
  • UNION ROLLING MILL CO – NEWBURG
  • UNION ROLLING MILL CO – NEWBURGH
  • UNION SALT CO – CLEVELAND
  • UNION STOCK YARDS – CLEVELAND
  • UNION TERMINAL BUILDING – CLEVELAND
  • UNION TRUST BUILDING – CINCINNATI
  • UNION WAX PAPER AND PARCHMENT CO – HAMILTON
  • UNION WAX PAPER AND PARCHMENT CO. – FRANKLIN
  • UNIROYAL RUBBER PLANT – PAINESVILLE
  • UNITED ALLOY STEEL CORP – CANTON
  • UNITED BRETHREN PUBLIC CO. – DAYTON
  • UNITED DAIRY CO – BARNESVILLE
  • UNITED FURNACE CO. – CANTON
  • UNITED GREENHOUSE CORP. – PALMYRA
  • UNITED POWER CO – EAST LIVERPOOL
  • UNITED SALT CO. – CLEVELAND
  • US ALUMINUM CO – CLEVELAND
  • US ARMY ENGINEERS – DAYTON
  • US GOVERNMENT NITRATE PLANT #4 – ANCOR
  • US GOVERNMENT NITRATE PLANT NUMBER 3 – NITRATE
  • US GYPSUM CO. – CYPSUM
  • US GYPSUM COMPANY – GYPSUM
  • US LITHOGRAPH CO. – EAT NORWOOD
  • US PLAYING CARDS – CINCINNATI
  • US PLAYING CARDS – NORWOOD
  • US PLAYING CARDS CO – EA NORWOOD
  • US PRINTING CO. – CINCINNATI
  • US RUBBER CO. NAUGATUCK CHEMICAL DIV – PAINESVILLE
  • US VETERANS ADMINISTRATION – CHILLICOTHE
  • US WAR DEPARTMENT.-PATTERSON FIELD – FAIRFIELD
  • UNITED STEEL CO – CANTON
  • UNIVERSAL ATLAS CEMENT – FAIRBORN
  • UNIVERSAL SEWER PIPE CORP – PALMYRA
  • UNIVERSAL SEWER PIPE CORP – URICHSVILLE
  • UNIVERSITY OF AKRON – AKRON
  • UNIVERSITY OF CINCINNATI – CINCINNATI
  • UNIVERSITY OF WOOSTER – WOOSTER
  • UPPER UNION MILLS – YOUNGSTOWN
  • UPSON NUT CO – CLEVELAND
  • UP-TO-DATE LAUNDRY CO – CLEVELAND
  • URBANA LIGHT CO – URBANA
  • URSALINE COLLEGE – CLEVELAND
  • URSULINE COLLEGE – TIFFIN
  • US AIR FORCE – CLEVELAND
  • US AIR FORCE HEAVY PRESS FACILITIES – CLEVELAND
  • US AIR PORCE HEAVY PRESS FACILITIES – CLEVELAND
  • USX STEEL – MC DONALD
  • VAL DECKER PACKING CO – PIQUA
  • VAN CAMP PACKING CO. – BRYAN
  • VAN CAMP PACKING CO. – WAUSEON
  • VAN WENT PUBLIC SERVICES CO – VAN WENT
  • VETERANS ADM. HOSPITAL – CLEVELAND (WADE PARK)
  • VETERANS ADMINISTRATION HOSPITAL – CLEVELAND
  • VETERANS ADMINISTRATION HOSPITAL (WADE PARK) – CLEVELAND
  • VICKERS LARRY RUDD – SOUTH LEBANON
  • VICKERS INC – SOUTH LEBANON
  • VICKSBURG RAILROAD POWER AND MANUFACTURING. CO. – AKRON
  • VICTOR SAFE AND LOCK CO – NORWOOD
  • VILLAGE OF BOARD OF PUBLIC AFFAIRS – ORRVILLE
  • VILLAGE OF MINERVA, LIGHT PLANT – MINERVA
  • VINDICATOR PRINTING CO. – YOUNGSTOWN
  • VISTRON CORP – CLEVELAND
  • VISTRON CORP SUBSIDIARY OF STANDARD OIL CO – LIMA
  • VIXEN TOOL CO – NEW COMERSTOWN
  • VULCAN BUILDING – CLEVELAND
  • W H SAMMIS STATION UNIT #7 – STRATTON
  • W T BURDELL TRUSTEE – COLUMBUS
  • W. B. OGLESBY PAPER CO. – MIDDLETOWN
  • W. S. LOWE AND CO. – LIMA
  • W.A. KEARNS PACKING CO – MANSFIELD
  • W.B. PALLOCK CO. – YOUNGSTOWN
  • W.H. DAVEY – MASSILLON
  • W.H. HANNA AND CO – CLEVELAND
  • W.H. SAMMIS GENERATION STATION – STRATTON
  • W.H. ZIMMER STATION – MOSCOW
  • W.J. SCHOLL CO – MINERAL RIDGE
  • W.S. CARROLL, PRES., BOARD OF TRUSTEES – BELLAIRE
  • W.S. TYLER CO – CLEVELAND
  • WADSWORTH LIGHT AND WATER CO. – WADSWORTH
  • WADSWORTH SALT CO. – WADSWORTH
  • WALNUT – GROVEPORT
  • WALNUT HILLS HIGH SCHOOL – CINCINNATI
  • WALTER C BECKJORD STATION – NEW RICHMOND
  • WALTON HILLS – WALTON HILLS
  • WAR DEPARTMENT SERVICE COMMAND – PATTERSON FIELD
  • WARD LOW THOMAS PAPER CO. – MIDDLETOWN
  • WARDER BUHNELL AND GLASNER – SPRINGFIELD
  • WARDER BUSHNELL AND GLESSNER CO – SPRINGFIELD
  • WARDLOW THOMAS AND CO. – MIDDLETOWN
  • WARDLOW THOMAS PAPER CO – MEDDLOETOWN
  • WARNER AND SWASEY CO – CLEVELAND
  • WARNICK AND JUSTUS – MASSILLON
  • WARREN CITY TANK AND BOILER CO. – WARREN
  • WARREN CONSOLIDATED – WARREN
  • WARREN ELECTRIC MANUFACTURING CO – SANDUSKY
  • WARREN PLANT – WARREN
  • WARREN STEEL – WARREN
  • WARREN WATER AND LIGHT CO. – WARREN
  • WARREN WORKS – WARREN
  • WASHINGTON GAS AND ELECTRIC CO. – WASHINGTON COURT HOUSE
  • WATER AND LIGHT DEPARTMENT. – GREENFIELD
  • WATER AND LIGHT PLANT – ST BERNARD
  • WATER STREET STATION – TOLEDO
  • WATER WORKS – NEW PHILADELPHIA
  • WATER WORKS CONSTR. CO. AND EASTRN TUBE CO. – ZANESVILLE
  • WATER WORKS PUMPING STATION – URBANA
  • WATER WORKS TRUSTEES CITY OF WELLSVILLE OHIO – WELLSVILLE
  • WATERWORKS – NEWARK
  • WATIONALWORKS – CLEVELAND
  • WATT MINING CAR WHEEL CO – BARNESVILLE
  • WAUSAW MOSINEE – MIDDLETOWN
  • WAUSEON WATER AND LIGHT PLANT – WAUSEON
  • WAYNE COAL CO. – STEUBENVILLE
  • WAYNE MINING CO – CAMBRIDGE
  • WB COWLES – CLEVELAND
  • WCI STEEL – WARREN
  • WEBB CORP – EAST LIVERPOOL
  • WEHNER BREWING CO – DAYTON
  • WEHRLE CO. – NEWARK
  • WEIDEMAN CO. – CLEVELAND
  • WEIDMAN CO. – CLEVELAND
  • WEIR FROG CO – CINCINNATI
  • WEIR FROG CO. – CINCINNATI
  • WEIR FROG CO. – NORWOOD
  • WEIR KILBY CORP. – NORWOOD
  • WELESVILLE PLATE SHEET AND IRON CO. – WELESVILLE
  • WELLMAN ENGINEERING CO – CLEVELAND
  • WELLMAN LEAVER ENGINEERING CO. – CLEVELAND
  • WELLMAN SEAVER ENGG CO – CLEVELAND
  • WELLMAN SEAVER MORGAN CO. – SOUTH AKRON
  • WELLMAN SEAVER MORGAN CO. – AKRON
  • WELLMAN SEAVER-MARGAN CO – CLEVELAND
  • WELLMAN-SEAVER MORGAN CO. – CLEVELAND
  • WELLSTON FURNACE CO – WELLSTON
  • WELLSTON IRON FURNACE CO. – WELLSTON
  • WELLSTON STEEL AND IRON CO. – WELLSTON
  • WELLSVILLE PLATE AND SHEET IRON CO – WELLSVILLE
  • WELMAN POWER GAS INC – GREEN SPRINGS
  • WERNER CO. – AKRON
  • WERNER G SMITH – CLEVELAND
  • WEST CARROLTON PARCHMENT CO – WEST CARROLLTON
  • WEST NINTH ST. TERMINAL WAREHOUSE – CLEVELAND
  • WESTCOTT MOTOR CAR CO – SPRINGFIELD
  • WESTERN AND SOUTHERN LIFE INS. CO. – CINCINNATI
  • WESTERN CONDUCT MANUFACTURING – YOUNGSTOWN
  • WESTERN HILLS HIGH SCHOOL – CINCINNATI
  • WESTERN HILLS PUMPING STA – CINCINNATI
  • WESTERN MINERAL WOOL CO. – CLEVELAND
  • WESTERN OHIO RAILROAD CO – ST MARYS
  • WESTERN OHIO RAILWAY CO – ST MARY'S
  • WESTERN OHIO RAILWAY CO. – AKRON
  • WESTERN RESERVE CARE CENTER – YOUNGSTOWN
  • WESTERN RESERVE CARE SYS.SOUTH UNIT – YOUNGSTOWN
  • WESTERN RESERVE NATIONAL BANK – CLEVELAND
  • WESTERN RESERVE PSY. CENT – SAGAMORE HILLS
  • WESTERVILLE CREAMERY CO. – WESTERVILLE
  • WESTINGHOUSE ELEC AND MANUFACTURING CO – MANSFIELD
  • WESTINGHOUSE ELECTRIC AND MANUFACTURING CO – MANSFIELD
  • WESTINGHOUSE ELECTRIC PRODUCTS CO. – MANSFIELD
  • WH SAMMIS PLANT – STRATTON
  • WH SAMMIS PLANT UNIT NO 7 – STRATTON
  • WHEELING AND LAKE ERIE COAL CO – ELYRIA
  • WHEELING AND LAKE ERIE RAILROAD CO. – HURON
  • WHEELING AND LAKE ERIE RAILWAY CO. – BREWSTER
  • WHEELING CORRUGATING CORP. – MARTINS FERRY
  • WHEELING CORRUGATING WORKS – MARTINS FERRY
  • WHEELING LAKE ERIE RAILROAD CO. – CLEVELAND
  • WHEELING LAKE ERIE RAILROAD CO. – BREWSTER
  • WHEELING PITT STEEL, FOLLANSBEE – STEUBENVILLE
  • WHEELING PITTSBURGH STEEL – MINGO JUNCTION
  • WHEELING PITTSBURGH STEEL – STEUBENVILLE
  • WHEELING PITTSBURGH STEEL SOUTH PLANT – MINGO JUNCTION
  • WHEELING STEEL CORP – MARTINS FERRY
  • WHEELING STEEL CORP – STEUBENVILLE
  • WHEELING STEEL CORP. – PORTSMOUTH
  • WHEELING STEEL CORP. – MINGO JUNCTION
  • WHEELING TOWNSHIP COAL MINING CO. – ADENA
  • WHEELING-PITTSBURGH STEEL CORPORATION – FALLENSBEE
  • WHEELING-PITTSBURGH STEEL CORPORATION – MANESSEN
  • WHEELING-PITTSBURGH STEEL CORPORATION – MARTIN FERRY
  • WHEELING-PITTSBURGH STEEL CORPORATION – PORTSMOUTH
  • WHEELING-PITTSBURGH STEEL CORPORATION – WINTERSVILLE
  • WHERLE CO. – NEWARK
  • WHIRLPOOL CORP – CLYDE
  • WHIRLPOOL SEEGER CORP – CLYDE
  • WHITAKER GLESSNER CO. – PORTSMOUTH
  • WHITAKER GLESSUER CO – MARTONS FERRY
  • WHITE CO. – CLEVELAND
  • WHITE MOTOR CO – CLEVELAND
  • WHITE SEWING MACHINE CO. – CLEVELAND
  • WHITE SUPERIOR DIV WHITE MOTOR CO – SPRINGFIELD
  • WHITELEY, FASSLER AND KELLY CO. – SPRINGFIELD
  • WHITMAN AND BARNES MANUFACTURING CO – AKRON
  • WHITMAN AND BARNES MANUFACTURING CO – CANTON
  • WHITMORE ROBINSON AND CO – AKRON
  • WICKLIFFE PLANT – WICKLIFFE
  • WIDLAR CO – CLEVELAND
  • WIELYS OVERLAND CO. – TOLEDO
  • WILBERFORCE UNIVERSITY – WILBERFORCE
  • WILBERFORCE UNIVERSITY (THE COMBINED NORMAL AND INDUSTRIAL DEPARTMENT.) – WILBERFORCE, GREEN CO.
  • WILLARD STORAGE BATTERY CO. – CLEVELAND
  • WILLARD STORAGE BATTERY DIV OF THE ELECTRIC STORAGE BATTERY CO – CLEVELAND
  • WILLIAM MANFACTURING CO – PORTSMOUTH
  • WILLIAM S MERRELL CO – READING
  • WILLIAMS BROTHERS CO. – KENT
  • WILLIAMS MANUFACTURING CO. – PORTSMOUTH
  • WILLYS MOTORS, INC – TOLEDO
  • WILLYS OVERLAND CO. – TELEDO
  • WILLYS OVERLAND CO. – TOLEDO
  • WILLYS-OVERLAND CO. – ELYRIA
  • WILMINGTON HIGH SCHOOL – WILMINGTON
  • WILSON AND MCCALLAY – MIDDLETOWN
  • WILSON AND MCCALLAY TABACCO CO – MIDDLETOWN
  • WILSON AND MCGALLAY TOBACCO CO – MIDDLETOWN
  • WILTSIE REALTY CO – TOLEDO
  • WINTON MOTOR CARRIAGE CO. – CLEVELAND
  • WITTENBURG COLLEGE – SPRINGFIELD
  • WM FOCKE'S SONS CO. – DAYTON
  • WM H. CONKLIN CO – COLUMBUS
  • WM HAMILTON SONS CAR CO. – NEWARK
  • WM S MERRELL CO – READING
  • WM. S. MERRELL CO DIV OF RICHARDSON MERRELL CO – READING
  • WOOD SHOVEL AND TOOL CO. – PIQUA
  • WOODRUFF AND PAUSCH STONE CO – COLUMBUS
  • WOOLSON SPICE CO. – TOLEDO
  • WORLD PUBLISHING CO – CLEVELAND
  • WORLEY BROTHERS – BAINBRIDGE
  • WORTHINGTON PUMP AND MACHINERY CORP – ELMWOOD PLACE
  • WR GRACE AND CO, DUBOIS CHEMICALS DIV – SHARONVILLE
  • WRENN PAPER CO – MIDDLETOWN
  • WRIGHT AERONAUTIC CORP. – LOCKLAND
  • WRIGHT BROTHERS – TOLEDO
  • WRIGHT BROTHERS GREENHOUSE CO. – TOLEDO
  • WRIGHT FIELD – DAYTON
  • WRIGHT PATTERSON AIR FORCE BASE – DAYTON
  • WRIGHT WRENCH AND FORGING CO – CANTON
  • WRIGHT WRENCH MANUFACTURING CO – CANTON
  • WS MERRILL CO – READING
  • WTE CORP – AKRON
  • WYOMING GAS CO. – WYOMING
  • WYOMING LIGHT WATER HEAT AND POWER CO – WYOMING
  • Y. M. C. A. BUILDING – DAYTON
  • YODER BROTHERS INC – BARBERTON
  • YORDER BROTHERS – BARBERTON
  • YOST AND PACKARD – COLUMBUS
  • YOUNG MEN'S CHRISTIAN ASS'N – CLEVELAND
  • YOUNGSTOWN AND OHIO RAILROAD CO – LISBON
  • YOUNGSTOWN CITY WATER WORKS – YOUNGSTOWN
  • YOUNGSTOWN COKE CO LTD – LOWELLSVILLE
  • YOUNGSTOWN CONCRETE SAND AND STONE CO. – YOUNGSTOWN
  • YOUNGSTOWN GAS AND ELECTRIC CO – YOUNGSTOWN
  • YOUNGSTOWN HEATING CO. – YOUNGSTOWN
  • YOUNGSTOWN HOSPITAL ASSOCIATION NORTH SIDE HOSPITAL – YOUNGSTOWN
  • YOUNGSTOWN I.S. AND T. CO. – YOUNGSTOWN
  • YOUNGSTOWN IRON AND STEEL CO. – LOWELLVILLE
  • YOUNGSTOWN IRON AND STEEL ROOFING CO – YOUNGSTOWN
  • YOUNGSTOWN IRON SHEET TUBE CO – YOUNGSTOWN
  • YOUNGSTOWN IRON SHEET AND TUBE CO – YOUNGSTOWN
  • YOUNGSTOWN J. AND S. ROOFING CO. – YOUNGSTOWN
  • YOUNGSTOWN J. SHEET AND TUBE CO. – YOUNGSTOWN
  • YOUNGSTOWN MAHONING AND SHENANGO RAILWAY AND LIGHT CO. – YOUNGSTOWN
  • YOUNGSTOWN MANUFACTURING CO – YOUNGSTOWN
  • YOUNGSTOWN MANUFACTURING CO – STRUTHERS
  • YOUNGSTOWN MAZDA LAMP WORKS – YOUNGSTOWN
  • YOUNGSTOWN MUNICIPAL CO. – YOUNGSTOWN
  • YOUNGSTOWN MUNICIPAL RAILWAY CO – YOUNGSTOWN
  • YOUNGSTOWN OHIO RAILROAD CO. – LEETONIA
  • YOUNGSTOWN PLANT – YOUNGSTOWN
  • YOUNGSTOWN PRESSED STEEL CO. – WARREN
  • YOUNGSTOWN PRESSED STEEL DIV – WARREN
  • YOUNGSTOWN SHEET & TUBE – BRIER HILL
  • YOUNGSTOWN SHEET AND TUBE CO – YOUNGSTOWN
  • YOUNGSTOWN SHEET AND TUBE CO. – STRUTHERS
  • YOUNGSTOWN SHEET AND TUBE COMPANY – CAMPBELL
  • YOUNGSTOWN STEEL CO – YOUNGSTOWN
  • YOUNGSTOWN STEEL DOOR – YOUNGSTOWN
  • YOUNGSTOWN WATER CO. – YOUNGSTOWN
  • YOUNSTOWN SHEET AND TUBE CO. – STRUTHERS
  • YOUNTSTOWN HEATING CO. – YOUNGSTOWN
  • ZANESVILLE RAILWAY LIGHT AND POWER CO – ZANESVILLE
  • ZIMMER GENERATING STATION – MOSCOW

Note - Some plants are known by other names today. The names listed above are the names by which the plants were known in the 50's, 60's and 70's. Heard Robins Cloud & Black, LLP is very familiar with the history of the chemical plants and refineries throughout Ohio and can assist you in reconstructing your work history.

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