Gazprom Promgaz Gazprom Promgaz Joint Stock Company Gazprom Promgaz (, abbreviated JSC Gazprom Promgaz, (), ) is a Russian company that specializes in structural engineering, design, research, heating, the electric power market, and other services related to natural gas. The company is a research institute of Gazprom and was established in 1949. The headquarters of the company are in Moscow. Gazprom Promgaz has branches in Vidnoye (Moscow Oblast), Novokuznetsk (Kemerovo Oblast), Oryol, Saint Petersburg, Ufa, Stavropol, Astrakhan (Russia), Minsk (Belarus), and Bishkek (Kyrgyzstan). Gazprom Promgaz has also an associated company, Ltd "Kamensk Plant of Gas Equipment" () in Kamensk-Shakhtinsky (Rostov Oblast). The
Sibir Energy Sibir Energy. On 15 February 2011, it announced becoming the only shareholder in Sibir Energy after the withdrawal of the Moscow government-controlled Central Fuel Company. The company's primary assets are Salym oil fields in Nefteyugansk area operated by Salym Petroleum Development, a 51% voting share in Moscow Oil Refinery, operated in partnership with Gazprom Neft, and a substantial interest in Moscow-based gasoline retail networks. Through its subsidiary, Magma, Sibir Energy has interests in the Yuzhnoye and Orekhovskoye fields in West Siberia. It owns the Moscow Oil and Gas Company (formerly: The Moscow Oil Company). Before takeover by Gazprom Neft, Sibir