Maintaining its corporate headquarters in Jacksonville, Fla., Southeastern Metals Manufacturing is among the largest metal manufacturers in the southeast United States. The company provides the construction industry with more than 3,500 galvanized, steel, aluminum and copper products, including corner bead and dry wall accessories, footage products, gutter downspout, masonry products, metal roofing and accessories, steel framing, storm panel systems and ventilation. The company also maintains a distribution network of 1,900 locations in 20 states, including Puerto Rico and the Bahamas.