United States Steel Corporation

United States Steel Corporation, headquartered in Pittsburgh, Pa., is an integrated steel producer with major production operations in the United States, Canada and Central Europe and an annual raw steelmaking capability of 31.7 million net tons.

U. S. Steel produces coke at Mon Valley Works’ Clairton Plant near Pittsburgh as well as at Gary Works, Granite City Works, Lake Erie Works, Hamilton Works and U. S. Steel Košice. The company operates two iron ore mines through its Minnesota Ore Operations on the Mesabi Iron Range in northern Minnesota: one in Mt. Iron (Minntac) and one in Keewatin (Keetac). Both mine an iron-bearing rock called taconite and process it into concentrated iron ore pellets, which are converted to liquid iron in the company’s blast furnaces.

Primary Activity

Mining CompanyIron Ore