Mon Valley Works is an integrated steelmaking operation that includes four separate facilities: Clairton Plant, Edgar Thomson Plant, Irvin Plant and Fairless Plant.
Clairton Plant is located approximately 20 miles south of Pittsburgh in Clairton, Pa., and sits along the west bank of the Monongahela River. The largest coke manufacturing facility in the United States, Clairton Plant operates ten coke oven batteries and produces approximately 4.3 million tons of coke annually, serving customers in the commercial coke market as well as U. S. Steel’s steelmaking facilities.
United States Steel Corporation
Mon Valley Works - Clairton Plant
400 State Street
Clairton, PA 15025