Construction JSC No. 11 engages in construction and installation of civil, industrial, hydropower and telecommunication projects. The firm constructs water supply and water treatment plants and invests in housing development, urban infrastructure and industrial parks. The firm's other activities include supporting construction activities, leasing equipment, selling construction materials, manufacturing steel structures and installing interior designs. The company was founded on January 25, 1973 and is headquartered in Ha Noi, Vietnam.