Steel Dynamics, Inc. engages in the manufacture of steel products and metal recycling. It operates through the following segments: Steel Operations, Metals Recycling Operations, and Steel Fabrication Operations. The Steel Operations segment consists of sheet products including hot roll, cold roll, and coated steel; long products including structural steel beams, pilings, and standard and premium grade rail; and steel finishing services such as turning, polishing, straightening, chamfering, threading, and precision saw-cutting. The Metals Recycling Operations segment provides ferrous and non-ferrous scrap recycling, scrap management, transportation, and brokerage products and services. The Steel Fabrication Operations segment offers steel joists, girders, and steel deck, including specialty deck. The company was founded by Keith E. Busse, Mark D. Millett, Richard P. Teets, and John C. Bates in 1993 and is headquartered in Fort Wayne, IN.