Williams Steel Erection is one of the subsidiaries of Williams Industries. Williams Industries is the largest publicly owned specialty construction company in the Mid-Atlantic region. Its subsidiaries provide a wide range of quality, cost-competitive services and products for the industrial, commercial and institutional construction markets. The construction and manufacturing services include steel and precast concrete erection; miscellaneous metals installation; the fabrication of welded steel plate girders; rolled steel beams and light structural and other metal products; the construction, repair and rehabilitation of bridges; crane rental; and heavy and specialized hauling and rigging. Williams Industries is traded on the NASDAQ exchange under the ticker symbol WMSI.