Alexandr Neygebayer

Production Association Northern Machine-Building Enterprise engages in the manufacture of submarines and military equipment for the navy. Its other activities include civil shipbuilding, warranty repair and upgrading of vessels, as well as design of marine structures for the development of oil and gas fields. The company was founded in 1936 and is headquartered in Severodvinsk, Russia.

Special Design Engineering Bureau In Electrochemistry engages in the design and manufacture of electrochemical air regeneration and catalytic equipment. Its other products include gas analysts, power electronics, composite materials, and machine units of chemical engineering. The company was founded on September 29, 1941 and is headquartered in Moscow, Russia.

Admiralteyskiye Verfi JSC engages in the design and construction of conventional submarines. It builds steamships, battleships, and cruisers, diesel-electric, conventional, and independent deep-diving submarines, research and salvage vessels, arctic and chemical tankers, ice-breakers and fire fighting tug boats, small motor boats and middle class boats, hard top boats for long distance voyages, as well as seagoing crafts. The company was founded on November 5, 1704 and is headquartered in St. Petersburg, Russia.