OAO Rosneft Oil Company (Russian: Роснефть) (MICEX:ROSN RTS:ROSN) is an integrate petroleum company owned by the Russian Government. Rosneft is headquartered in Moscow’s Balchug district near the Kremlin, across the Moskva river. Rosneft became Russia's leading extraction and refinement company after purchasing assets of former oil giant Yukos at state-run auctions.