Mazagon Dock Shipbuilders Limited is engaged in the construction and repair of ships, submarines, various types of ships and related technical products. The company's field of activity is the construction of warships and submarines. He is also involved in the production of defence equipment. Its shipbuilding division includes the construction and repair of commercial ships and the renovation of naval ships. Its Submarines and Heavy Equipment division includes the construction, repair and overhaul of diesel and electric submarines. Its products include shipbuilding and submarines. It offers cargo ships, passenger ships, supply ships, general purpose vessels, water vessels, tugs, trawlers, fishing trawlers, barges and border patrol vessels. It built various ships for both defence and commercial use. The company also developed various products for the commercial sector and built various vessels from universal support vessels, tugs, dredgers, water vessels and others.