Nucor Corporation is engaged in the manufacture and sale of steel and steel products. The Company operates in two business segments: steel mills and steel products. Principal products from the steel mills segment include hot-rolled steel and cold-rolled steel. Steel mills segment’s hot-rolled steel products include angles, rounds, flats, channels, sheet, wide-flange beams, pilings, billets, blooms, beam blanks and plate. Principal products from the steel products segment include steel joists and joist girders, steel deck, cold finished steel, steel fasteners, metal building systems and light gauge steel framing. In March 2008, Nucor Corporation completed the acquisition of SHV North America Corporation, which owns 100% of The David J. Joseph Company (DJJ) and related affiliates. In April 2008, Nucor Corporation completed the acquisition of substantially all the assets of Metal Recycling Services Inc. MRS will operate under the name, Metal Recycling Services, LLC.