United States Steel Corp operates primarily in the United States but also has a steelmaking capacity in Slovakia. The company’s operating segments include North American Flat-Rolled (Flat-Rolled), Mini Mill, U. S. Steel Europe (USSE), and Tubular Products (Tubular). The Flat-Rolled segment includes U. S. Steel’s integrated steel plants and equity investees in North America involved in the production of slabs, strip mill plates, sheets, and tin mill products, as well as all iron ore and coke production facilities in the United States. It primarily serves North American customers in the service center, conversion, transportation, construction, container, and appliance, and electrical markets.

Steel Dynamics operates scrap-based steel minimills with roughly 13 million tons of annual steel production capacity. The company manufactures steel products that primarily serve the construction, automotive, manufacturing, and transportation end markets. It also processes and sells recycled ferrous and nonferrous metals and operates a steel fabrication business that manufactures products for the nonresidential construction industry.

Cleveland-Cliffs Inc is an independent iron ore mining company in the United States and is a supplier of iron ore pellets to the North American steel industry from its mines and processing facilities located in Michigan and Minnesota. It is also engaged in the production of Hot-Briquetted Iron in the Great Lakes region with the development of a production plant in Toledo, Ohio.