About Us
United States Steel Corporation headquartered in Pittsburgh, Pa., manufactures a wide variety of steel sheet, tubular and tin products; coke, and taconite pellets; and has a worldwide annual raw steel capability of 26.8 million net tons. U. S. Steel's domestic primary steel operations are: Gary Works in Gary, Ind.; Great Lakes Works in Ecorse and River Rouge, Mich.; Mon Valley Works, which includes the Edgar Thomson and Irvin plants, near Pittsburgh and Fairless Works near Philadelphia, Pa.; Granite City Works in Granite City, Ill.; Fairfield Works near Birmingham, Ala.; Midwest Plant in Portage, Ind.; and East Chicago Tin in East Chicago, Ind. The company also operates two seamless tubular mills, Lorain Tubular Operations in Lorain, Ohio; and Fairfield Tubular Operations near Birmingham, Ala.
U. S. Steel produces coke at Clairton Works near Pittsburgh, at Gary Works and Granite City Works. On Northern Minnesota's Mesabi Iron Range, U. S. Steel's iron ore mining and taconite pellet operations, Minnesota Taconite (Minntac) and Keewatin Taconite (Keetac), support the steelmaking effort, and its subsidiary ProCoil Company provides steel distribution and processing services.
