Acme Brick Co. Marietta
Alliance Brick Co. Alliance
Belden Brick Co. Canton
Claycraft Mining & Brick Co. Columbus
Colonial Pressed Brick Co. Mogadore
Duro Brick Mfg. Co. Akron
Everhard Company, The Massillon
Franklin Brick & Tile Co. Columbus
Fultonham Texture Brick Co. E. Fultonham
Hanover Brick Co. Columbus
Hocking Valley Fire Clay Co. Nelsonville
Hocking Valley Products Co. Columbus
Hydraulic-Press Brick Co. Cleveland
Hydraulic-Press Brick Co. Roseville
Ironclay Brick Co. Columbus
McArthur Brick Co. McArthur
Marietta Shale Brick Co. Marietta
Stark Brick Co. Canton
Straitsville Impervious Brick Co. New Straitsville
Toronto Fire Clay Co. Toronto
Webster Brick Co. Chillicothe