Supplier: Prometey Central Scientific Research Institute of Structural Materials

Listed by the Russian Government in July 1996 as an enterprise of the Russian defense complex, "privatization of which is prohibited;" conducts heavy armor research and development and metallurgical research for shipbuilding; development of titanium alloy for submarine hull construction, non-magnetic steels and alloys for anti-submarine vessels, high-strength hull steels, advanced propulsion system materials, and aluminum alloys; development of titanium alloys for machinery system applications; formerly subordinate to the Ministry of the Shipbuilding Industry; state-controlled firm established 1939; technologies employed include working with titanium and other alloys using vacuum-arc and electroslag processes; process for rolling beryllium between two sheets of steel; possesses an argon gas-flow meter for welding, and an argon-filled chamber to work on titanium submarine hulls; development of composites, coatings, and plastics; and development of porous amorphous materials able to withstand high temperatures, which are used as flexible radar absorption material; has two underground facilities -- a main one beneath Aleksandr Nevskiy Monastery Museum and another in the area between Sinopskaya Naberezhnaya and Ulitsa Krasnovo Tekstil'shchika, possibly contiguous with the Nevskiy complex.

- Materials and Power Plants Safety Research and Production Complex: Development of basic and welding materials as well as technologies for production of equipment for nuclear power units, including Russian Naval shipborne and submarine-borne nuclear power plants; developed materials for space-based nuclear power units; provides metals research support for production of basic equipment for the nuclear power plant in Bushehr, Iran.