Quanex Corporation (Quanex), formerly Michigan Seamless Tube Company is engaged in the production of engineered carbon and alloy steel bars, heat treated bars, aluminum flat-rolled products, flexible insulating glass spacer systems, extruded profiles, and precision-formed metal and wood products. The two markets served by the Company include vehicular products and building products. The segments served by the Company include Vehicular Products, Engineered Building Products and Aluminum Sheet Building Products. Quanex has 27 manufacturing facilities in 12 states in the United States.