Steel Dynamics, Inc., together with its subsidiaries, manufactures and sells steel products in the United States. It operates in three segments: Steel Operations, Metals Recycling and Ferrous Resources Operations, and Steel Fabrication Operations. The Steel Operations segment offers hot rolled, cold rolled, and coated steel products, including light gauge hot-rolled, galvanized, and painted products; structural steel beams and pilings; rail products; special bar quality and merchant bar quality rounds, and round-cornered squares; billets and merchant steel products, such as angles, plain rounds, flats, and channels; and specialty structural steel sections. This segment serves cold finishers, forgers, intermediate processors, original equipment manufacturers, steel service centers, distributors, and fabricators. The Steel Fabrication Operations segment engages in fabricating trusses, girders, steel joists, and steel decking used within the nonresidential construction industry. The Metals Recycling and Ferrous Resources Operations segment offers heavy melting steel, busheling, bundled scrap, shredded scrap, and other scrap metal products, such as steel turnings and cast iron used in foundry and steel mill applications. Steel Dynamics company was founded in 1993 and is headquartered in Fort Wayne, Indiana.