Steel Dynamics, Inc., together with its subsidiaries, engages in the steel products manufacturing and metals recycling businesses in the United States and internationally. The company operates through Steel Operations, Metals Recycling Operations, Steel Fabrication Operations, and Other segments. The Steel Operations segment provides a range of sheet steel products, such as hot roll, cold roll, and coated steel products; structural steel beams and pilings to construction market; various rail products for the railroad industry; rounds, round-cornered squares, and round engineered bars; threaded rod products, and cold drawn and heat treated bars; angles, merchant rounds, flats and channels, and reinforcing bar; and beams, channels, and specialty steel sections. This segment serves construction, automotive, manufacturing, transportation, heavy and agriculture equipment, and pipe and tube markets. The Metals Recycling Operations segment is involved in the purchase, process, and resale of ferrous and nonferrous scrap metals into reusable forms and grades. Its ferrous products include heavy melting steel, busheling, bundled scrap, shredded scrap, steel turnings, and cast iron products; and nonferrous products comprise aluminum, brass, copper, stainless steel, and other nonferrous metals. This segment also provides transportation logistics, management, marketing, brokerage, and consulting services related to the scrap industry. The Steel Fabrication Operations segment produces steel building components comprising steel joists, girders, trusses, and steel decks primarily for the non-residential construction industry. The Other segment offers pig and hot briquetted iron; and iron nugget products that are used in electric arc furnace steel mill production. Steel Dynamics, Inc. was founded in 1993 and is headquartered in Fort Wayne, Indiana.