Soyuzneftegaz (Russian: СоюзНефтеГаз) – international investment group of companies headquartered in Russia involved in oil and gas exploration and production, as well as construction. It is founded and headed by Yuri Shafranik, Chairman of the Board of the Union of Oil and Gas Producers of Russia. The Interstate Bank of CIS holds 30% and SNG Holding holds 70% of shares.