Nucor Corporation and its subsidiaries engage in the manufacture and sale of steel and steel products in North America. It operates in two segments, Steel Mills and Steel Products. The Steel Mills segment offers hot-rolled steel products, such as angles, rounds, flats, channels, rebar, sheets, wide-flange beams, pilings, billets, blooms, beam blanks, and plates; and cold-rolled steel. The Steel Products segment manufactures steel joists and joist girders, steel deck, cold finished steel, steel fasteners, metal building systems, light gauge steel framing, steel grating, and expanded metal, and wire and wire mesh. The company sells its hot-rolled steel and cold-rolled steel to steel service centers, fabricators, and manufacturers; steel joists and joist girders, and steel deck to general contractors and fabricators; and cold finished steel and steel fasteners to distributors and manufacturers. The company was founded in 1940 and is based in Charlotte, North Carolina.