Malakhit Marine Engineering Bureau
Malakhit Marine Engineering Bureau () is a company based in Saint Petersburg, Russia. It is a subsidiary of the United Shipbuilding Corporation. Malakhit has designed nuclear-powered attack submarines including the November, Victor, Alfa, Akula and the "Laika" classes. Malakhit also designs torpedo tubes and submarine missile armament complexes. In addition it designs small submersibles for intelligence collection, deep-diving oceanographic research and rescue, and commercial applications.