NIPPON OIL CORPORATION
VESTURE
- 1888 year | Nippon Oil established
- 1914 year | Oil first gushed out of Kurokawa Oil Well No. 5 in Akita Prefecture.
- 1921 year | Nippon Oil merged with Hoden Oil
- 1931 year | Mitsubishi Oil established jointly by three Mitsubishi group companies (headquarters, mining, trading) and Associated Oil (later known as Getty Oil) in the United States
- 1933 year | Koa Oil established
- 1941 year | Nippon Oil merged with Ogura Oil
- 1951 year | Nippon Petroleum Refining established jointly by Nippon Oil and Caltex
- 1967 year | Nippon Oil Staging Terminal established
- 1968 year | Tohoku Oil established
- 1973 year | Okinawa CTS established.
- 1984 year | All the Getty Oil-owned Mitsubishi Oil shares transferred to Mitsubishi group companies. Business alliance formed between Nippon Oil and Mitsubishi Oil
- 1995 year | Business alliance formed between Nippon Oil and Idemitsu Kosan
- 1996 year | Nippon Oil terminated business alliance with Caltex and acquired a full stake in Nippon Petroleum Refining
- 1998 year | Crude oil production started at Rang Dong Oil Field offshore Vietnam
- 1999 year | Nippon Oil and Mitsubishi Oil merged to form Nisseki Mitsubishi. Business alliance formed between Nisseki Mitsubishi and COSMO Oil.
- 2001 year | New Service Station brand ENEOS launched
- 2002 year | Nisseki Mitsubishi Refining, Koa Oil and Tohoku Oil merged into Nippon Petroleum Refining. Nisseki Mitsubishi renamed Nippon Oil
- 2003 year | Natural gas production started offshore Malaysia (Helang Gas Field)
- 2004 year | Consignment refining contract signed with China Oil
- 2005 year | Nippon Oil merged with Nippon Petroleum Gas
- 2006 year | Business alliance formed with Japan Energy
- 2007 year | Business/capital alliance formed with SK Corporation (South Korea)
- 2008 year | Nippon Petroleum Refining merged with Nippon Petrochemicals
- 2009 year | SANYO ENEOS Solar, a joint company with Sanyo Electric Company for the production and sale of thin-film solar panels, established