Sakhaneftegaz NNGK OAO (Joint-Stock National Oil and Gas Company or NOGC Sakhaneftegas) is a Russia-based holding company engaged in the oil industry. Its activities include oil and gas exploration, production, refining and marketing, as well as production and sale of oil products. The Company has four subsidiaries: Sakhaneftegaztranssnab OOO, Sakhagazproyekt OAO, Vitimskiy NPZ OAO, Lenaneftegaz OAO and one affiliated company, Yakutgazprom OAO. Sakhaneftegaz NNGK OAO operates on the territory of the Republic of Sakha (Yakutiya), the Russian Federation. The Company is 50.39%-owned subsidiary of AK ALROSA ZAO.