Founded in 1993, Steel Dynamics (SDI) is one of the largest domestic steel producers and metals recyclers in North America, based on estimated annual steelmaking and metals recycling capability, with facilities located throughout the United States, and in Mexico.
SDI produces steel products, including hot roll, cold roll, and metallic-coated / painted / digitally-printed sheet steel, structural steel beams and shapes, rail, engineered special-bar-quality steel, cold finished steel, merchant bar products, specialty steel sections, and steel joists and deck. In addition, the company produces liquid pig iron and processes and sells ferrous and nonferrous scrap.
In 2025, a subsidiary of SDI (Aluminum Dynamics LLC) is expected to begin production of aluminum sheet products, serving segments including Automotive, Beverage Packaging and other industrial applications