Founded in 1940 and based in Charlotte, North Carolina, Nucor Corp. is a manufacturer of steel and steel products and North America's largest steel recycler. The company's three main operating units are Steel Mills, Steel Products, and Raw Materials. The Steel Mills segment produces hot-rolled steel products, including angles, rounds, flats, channels, sheet, wide-flange beams, and cold-rolled steel products. Steel Products provides steel joists and joist girders, steel deck, fabricated concrete-reinforcing steel, cold-finished steel, steel fasteners, steel grating, and metal and wire mesh. The Raw Materials segment produces direct-reduced iron (DRI); brok