United States of America
COMPANIES IN MULTIPLE U.S.A. STATES
Continental Foundry & Machine Company (Chicago Works, Pittsburgh Works, Wheeling Works)
General Refractories Company (Childs Plant, Claysburgh Plant, Joliet Plant, Rockdale Plant, Sproul Plant)
Harbison-Walker Refractories Company (East Chicago Plant, Hays Plant, Mt. Union Plant)
Universal-Rundle Corporation (Camden Plant, New Castle Plant, Redlands Plant)
GEORGIA
Georgia Sanitary Pottery Incorporated
INDIANA
Ball Brothers Company
MICHIGAN
Borg-Warner Corporation (Norge Division)
West Michigan Steel Foundry Company
MISSOURI
A.P. Green Fire Brick Company
C.E. Refractories
Walsh Refractories Corporation
NEW YORK
Buffalo Pottery Incorporated
General Electric Company
W.A. Case & Son Manufacturing Company
Olean Tile Company
NEW HAMPSHIRE
The John Swenson Granite Company Incorporated
NEW JERSEY
The Trenton Potteries Company
OHIO
The A.E. Hull Pottery Company
Armco Steel Corporation
The Cambridge Tile Manufacturing Company
The Commercial Steel Casting Company
The Cronin China Company
The Crooksville China Company
The Dayton Steel Foundry Company
The Hall China Company
OHIO (Continued)
Harker Pottery Company
The John Douglas Company
Mansfield Sanitary Pottery Incorporated
The National Cash Register Company
National Malleable and Steel Castings Company
North American Refractories Company (Mount Union Plant)
The Ohio Steel Foundry Company (Lima Plant, Springfield Plant)
The Salem China Company
The Sterling China Company
The Steubenville Pottery Company
Universal Potteries Incorporated
The Walker China Company
W.S. George Pottery Company (East Palestine Plant)
OKLAHOMA
The Eagle-Picher Mining & Smelting Company
PENNSYLVANIA
Canonsburg Pottery Company
Eljer Company
Eljer Plumbingware Division
Findlay Clay Products Company/Findlay Refractories Company
General Refractories Company
Harbison-Walker Refractories Company
Mayer China Company
Mesta Machine Company
Pittsburgh Plate Glass Company (Works No. 1, Creighton; Ford City Plant)
Richmond Radiator Company
Wallace-Murray Corporation
Westinghouse Electric Corporation
TENNESSEE
Southern Potteries Incorporated
WEST VIRGINIA
The D. E. McNicol Pottery Company of West Virginia
The Edwin M. Knowles China Company
The Homer Laughlin China Company
WISCONSIN
Kohler Company