Admiralty Shipyard JSC was founded in 1704. The company specializes in submarine building. To date, there has been more than 300 submarines (including 41 nuclear-powered ones), 68 deep and underwater vehicles built at the shipyard. JSC Admiralty Shipyard is part of Western Center of Shipbuilding of the United Shipbuilding Corporation.
Shipyard Sevmash was established in 1936. Since 1939, Sevmash has built 45 surface ships, 163 submarines, of which 128 - with nuclear power plant. Since 1990, the company has built more than 100 civilian vessels of various types and purposes (tugs, mini-bulkers, pontoons, barges, fish farms) for international customers. The shipbuilder is focused largely on implementing projects of development of oil and gas deposits on the Arctic shelf.