U.S. Steel Corporation, founded in 1901, is one of the largest steel producers in the United States. The company was formed by the merger of several steel companies, including Carnegie Steel Company and Federal Steel Company. U.S. Steel plays a significant role in the steel industry, providing materials for various sectors, including construction, automotive, and energy. Headquartered in Pittsburgh, Pennsylvania, U.S. Steel operates several manufacturing facilities across the country. The company focuses on producing a wide range of steel products, including flat-rolled and tubular steel. U.S. Steel is also committed to sustainability and innovation, investing in technologies to reduce environmental impact.