Nucor Corporation is the largest steel producer in the United States and Americas largest recycler. The company and its subsidiaries manufacture steel products, such as steel joists and joist girders, steel deck, cold finished steel, steel fasteners, metal building systems, light gauge steel framing, and carbon and alloy steel in bars, beams, sheet and plate. The group has operating facilities in 14 states and employs more than 9,900 people.