Nucor Corporation manufactures and sells steel and steel products in the United States and internationally. It operates in three segments: Steel Mills, Steel Products, and Raw Materials. The Steel Mills segment produces hot-rolled, cold-rolled, and galvanized sheet steel products; structural steel products, including wide-flange beams, beam blanks, H-piling, and sheet pilings etc. The Steel Products segment produces steel joists and joist girders, steel decks, fabricated concrete reinforcing and cold finished steel products, steel fasteners, metal building systems etc. The Raw Materials segment produces direct reduced iron; processes ferrous and nonferrous metals; brokers ferrous and nonferrous metals, pig iron, hot briquetted iron, and DRI; applies ferro-alloys; and processes ferrous and nonferrous scrap metal, as well as engages in the natural gas drilling operations. It also offers steel electrical conduits.