Газпром нефть
Gazprom Neft was created under the name Sibneft () in 1995 by the transfer of state owned shares in Noyabrskneftegas (production unit), the Omsk Refinery (Russia's largest oil refining complex), Noyabrskneftegasgeophysica (exploration) and Omsknefteprodukt (oil products distribution network) from Rosneft.