ENEOS Corporation (ENEOS株式会社, ENEOSU kabushiki gaisha), formerly JXTG Nippon Oil & Energy Corporation (JXTGエネルギー株式会社, JXTG Enerugī Kabushiki-gaisha, TYO: 5001), or NOC or Shin-Nisseki (新日石) is a Japanese petroleum company. Its businesses include exploration, importation, and refining of crude oil; the manufacture and sale of petroleum products, including fuels and lubricants; and other energy-related activities. It is the largest oil company in Japan, and in recent years it has been expanding its operations in other countries.