Algoma Steel, Sault Ste. Marie, Canada North Star Steel, Minnesota, USA
Atlantic Packaging, Ontario, Canada North Star Steel, Arizona, USA
Bartechnologies Steel, Pennsylvania, USA Nucor Steel, Nebraska, USA
Bethlehem Steel, Johnstown, USA Orissa Sponge Iron Ltd., India
Bon L Canada Inc., Pickering, Canada Paul Wurth Inc., Carnegie Pa., USA
Bradley Controls, Ontario, Canada Quebec Iron & Titanium, Quebec, Canada
Canara Steel Corp., India Co-Steel Raritan, New Jersey, USA
Chaparral Steel, Midlothian, Texas, USA Rokop Corporation, Pittsburgh Pa., USA
Concast Standard, Pennsylvania, USA Sidbec Dosco, Contrecoeur, Quebec
Co-Steel Lasco, Whitby, Canada Slater Steel, Hamilton, Ontario, Canada
Co-Steel Sheerness, UK Smorgan Steel, Australia
Courtice Steel, Cambridge, Canada Sms Concast, Pittsburgh Pa., USA
Darlington Steel, Ontario, Canada Stelco Lake Erie Works, Nanticoke, Ontario
Dofasco Inc., Hamilton, Canada Stelco Mcmaster, Quebec, Canada
Gallatin Steel Company, Kentucky, USA St. Lawrence Cement, Mississauga, Canada
Gatepro Pvt., Ethiopia Terra S.A. Trading Company, Romania
General Sp. Steel Mfg. Comp., Lebanon Town of Whitby, PWD, Ontario, Canada
Gerdau Ameristeel, Whitby, Ontario, Canada Tri-Services Metal Products, ON, Canada
IGA, Whitby, Ontario, Canada Visvesvara Iron And Steel Ltd., India
Irish Steel Holdings, Ireland Voest Alpine Industries Ltd., Pittsburgh, USA
Ivaco Rolling Mills, Ontario, Canada Western Canada Steel, BC, Canada
Lardale Construction, Ontario, Canada Wheeling–Pittsburgh Steel Corp., Ohio, USA
Marion Steel, Ohio, USA Whitby Hydro, Ontario, Canada
New Jersey Steel, New Jersey, USA    
 
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