| 1961-01 |
In response to Itochu Corporation and Nippon Mining Corporation constructing a new refinery in Mizushima and entering the oil industry, the company was established by splitting off Itochu Petroleum Corporation, a subsidiary of Itochu Corporation, to sell its products. (Capital: 60 million yen) |
| 1961-01 |
Established Itochu Enex Petroleum Co., Ltd. by splitting off from Itochu Corporation to sell products following the new oil refinery built in Mizushima, in response to entry into the oil industry |
| 1961-01 |
Itochu Corporation and Japan Mining Co., Ltd., which had a long-standing trading partnership, built a new refinery in Mizushima and entered the oil industry. To sell its products, they split off Itochu Petroleum Co., Ltd. (established in January 1949 as West Japan Rice Oil Co., Ltd., renamed in April 1951), a subsidiary of Itochu Corporation, to establish our company (capital of 60 million yen). |
| 1965-05 |
Acquisition of shares of Oita Kyushu Oil Sales Co., Ltd. (now a consolidated subsidiary, Kyushu Energy Co., Ltd.) |
| 1970-03 |
Acquisition of shares of Ujina Hydrogen & Water Co., Ltd. (now a consolidated subsidiary, Itochu Industrial Gas Co., Ltd.) |
| 1971-04 |
Capital increase to 1 billion yen |
| 1977-04 |
Merged with Itochu Fuel Co., Ltd., based at 2 Chome, Tsurugimachi, Higashiyodogawa-ku, Osaka, due to change in share face value |
| 1977-04 |
Merged with Itochu Fuel Co., Ltd., headquartered at 2-36 Tsurugicho, Higashi-ku, Osaka |
| 1978-02 |
Listed on the Second Section of the Osaka Securities Exchange and Tokyo Stock Exchange |
| 1979-09 |
Designated as a First Section stock on the Osaka Securities Exchange and Tokyo Stock Exchange |
| 1983-06 |
Changed headquarters location to Tokyo (formerly Osaka) |
| 1996-02 |
Relocated headquarters to 1-24-12 Meguro, Meguro-ku, Tokyo |
| 1997-10 |
Acquired shares of Tokai Corporation, a rehabilitation company |
| 1997-12 |
Acquired shares of Seibu Oil Trading Co., Ltd. |
| 1998-04 |
Established a subsidiary, Chikomart Co., Ltd., by spinning off the 'Chikomart' business from our company. |
| 2000-10 |
Tokai Co., Ltd. receives a court decision concluding its rehabilitation proceedings. |
| 2001-03 |
Assumed the municipal gas business in Nakatsu City, Oita Prefecture. |
| 2001-07 |
Changed our company name from Itochu Fuel Co., Ltd. to Itochu Enex Co., Ltd., and also changed the names of 18 consolidated subsidiaries. |
| 2001-11 |
Sold shares of Chikomart Co., Ltd. |
| 2002-02 |
Acquired additional shares of Shinanen Co., Ltd. |
| 2004-04 |
Abolished the branch office system and introduced a business headquarters system. |
| 2005-05 |
Acquired the LP gas business from Takigawa Sangyo Co., Ltd., established Takigawa Enex Co., Ltd., and commenced operations. |
| 2005-09 |
Sold shares of Tokai Co., Ltd. |
| 2005-10 |
Acquired the petroleum business from Okura Kousan Co., Ltd., and began operations as Okura Kousan Energy Co., Ltd. |
| 2005-10 |
Established 'Enex Mark' as the new corporate logo. |
| 2007-04 |
Itochu Enex Home Life Kyushu Co., Ltd. merged with Idecks Gas Co., Ltd. and changed its name to Ecoa Co., Ltd. |
| 2008-09 |
Inherited the petroleum sales business from Konan Co., Ltd., additionally acquired shares of Konan Freight Co., Ltd., and relocated headquarters to 3-4-1 Shibaura, Minato-ku, Tokyo. |
| 2008-09 |
Succeeded in oil sales business from Konan Co., Ltd., and acquired additional shares of Konan Fleet Co., Ltd. (now consolidated subsidiary Enex Fleet Co., Ltd.), relocated headquarters to 3-4-1 Shibaura, Minato-ku, Tokyo |
| 2008-09 |
Succeeded the oil sales business from Konan Co., Ltd. and acquired additional shares of Konan Fleet Co., Ltd. (now a consolidated subsidiary Enex Fleet Co., Ltd.) |
| 2008-09 |
Relocated headquarters to 4-1 Shibaura 3-chome, Minato-ku, Tokyo |
| 2008-10 |
Inherited the petroleum product trade and logistics businesses from Itochu Trading Co., Ltd. and Itochu Petroleum Co., Ltd. through corporate split. |
| 2009-04 |
Transferred the liquefied petroleum gas (LPG) roll-on/roll-off wholesale business to Japan Gas Energy Co., Ltd. and acquired shares of the company. |
| 2009-04 |
Transfer of LPG wholesale business to Japan Gas Energy Corporation: Acquisition of shares of Japan Gas Energy Corporation |
| 2010-07 |
Submitted a notice of commencement of a specified-scale electric power business. |
| 2010-10 |
Started the electricity retail business. |
| 2011-01 |
Celebrated the 50th anniversary of establishment. |
| 2011-03 |
Acquired shares of JEN Holdings Co., Ltd. and entered the factory-based electric heating supply business. |
| 2011-03 |
Acquired shares of JEN Holdings Co., Ltd. (now consolidated subsidiary Enex Power Co., Ltd.) and entered factory electric heat supply business |
| 2011-04 |
Konan Freight Co., Ltd. changed its name to Enex Freight Co., Ltd. |
| 2012-01 |
Invested in IP&E Palau, Inc. and participated in the import and wholesale business of petroleum products in the Republic of Palau. |
| 2012-01 |
Invested in IP&E Palau, Inc., and participated in import and wholesale of petroleum products in Palau |
| 2012-05 |
Acquired shares of Tokyo Metropolitan Service Co., Ltd. and entered the heat supply business. |
| 2012-05 |
Tokyo Metropolitan City Service Co., Ltd. (now a consolidated subsidiary) acquired shares and entered the heat supply business |
| 2012-10 |
Acquired shares of Tainai Wind Farm at JEN Holdings Co., Ltd. and expanded the wind power generation business. |
| 2012-10 |
At JEN Holdings Co., Ltd. (now a consolidated subsidiary), acquired shares of CEF Kelp Morikaze Wind Farm Co., Ltd. and expanded the wind power generation business |
| 2012-10 |
Expansion of wind power generation business by acquiring shares of CEF Konomori Wind Farm Corporation at JEN Holdings Co., Ltd. (now a consolidated subsidiary of Enex Power Co., Ltd.) |
| 2013-04 |
Established a new Power & Utility Business Division. |
| 2013-05 |
Jointly invested with Itochu Corporation in a U.S. next‑generation biodiesel manufacturing venture. |
| 2013-05 |
Jointly invested with Itochu Corporation in the next-generation biodiesel manufacturing business in the United States |
| 2013-07 |
Transferred the urban gas and LP gas operations in Nakatsu City, Oita Prefecture to EcoA Co., Ltd. |
| 2013-09 |
Closed our Central Training Center and relocated the training function to the new headquarters building in January 2014, continuing it as the Enex Academy. |
| 2013-09 |
Closed our central training center (training functions transferred to the new head office building in January 2014 and continued as 'EneX Academy') |
| 2013-12 |
Acquired shares of Tainai Wind Farm and expanded the wind power generation business. |
| 2013-12 |
At JEN Holdings Co., Ltd. (now a consolidated subsidiary), acquired shares of Tainai Wind Farm Co., Ltd. and expanded the wind power generation business |
| 2013-12 |
Expansion of wind power generation business by acquiring shares of Tainai Wind Farm Corporation at JEN Holdings Co., Ltd. (now a consolidated subsidiary of Enex Power Co., Ltd.) |
| 2014-01 |
Moved headquarters to 10-1 Toranomon 2-chome, Minato-ku, Tokyo. |
| 2014-05 |
Acquired shares of Osaka Car Life Group, which owns Nissan Osaka Sales Co., Ltd., and entered the car dealership business. |
| 2014-05 |
Acquired shares of Osaka Car Life Group Co., Ltd., which owns Nissan Osaka Sales Co., Ltd., and entered the car dealer business |
| 2015-02 |
Co‑established Wako-Itochu Enex Power Sales Co., Ltd. with Wako Green Resources. |
| 2015-02 |
Established Oji Green Resources Co., Ltd. jointly with Oji Group to establish Oji and Itochu Enex Power Sales Co., Ltd. |
| 2015-03 |
Acquired shares of Nissho LP Gas Co., Ltd. |
| 2015-10 |
Established PT ITC ENEX INDONESIA, an industrial gas company in Indonesia. |
| 2015-10 |
Established PT.ITC ENEX INDONESIA, an industrial gas business company in Indonesia |
| 2015-10 |
Established PT.ITC ENEX INDONESIA, an industrial gas business company in Indonesia |
| 2016-04 |
Launched the residential electricity sales service 'eKoto Denki!'. |
| 2016-04 |
Invested in and participated in the LP gas sales business in the Philippines. |
| 2016-04 |
Entered the household electricity retail business and launched the 'e Kotodenki!' sales |
| 2016-04 |
Entered the residential electricity retail business (started sales of the residential electricity sales service 'e Kotode Denki!') |
| 2017-10 |
Commenced commercial operation of the thermal power plant at Sendai Power Station Co., Ltd. |
| 2017-10 |
Established Enearc Co., Ltd. and restructured and integrated the liquefied petroleum gas wholesale and retail business. |
| 2017-10 |
Started commercial operation of Sendai Power Station Co., Ltd. (thermal power plant) |
| 2017-10 |
Established EneArc Co., Ltd. and reorganized and integrated the LPG wholesale and retail business |
| 2017-10 |
Commenced operation of Sendai Power Station Co., Ltd. (thermal power plant) |
| 2017-10 |
Established Enark Co., Ltd. (reorganized and integrated LPG wholesale and retail business) |
| 2018-05 |
Commenced cooperation on Japan's first large‑scale LNG truck commercial driving test. |
| 2018-08 |
Through a business partnership with CD Energy Direct Co., Ltd., began supplying urban gas at Enearc Kanto. |
| 2018-08 |
Started city gas supply through business alliance between Enark Kanto Co., Ltd. and C.D. Energy Direct Co., Ltd. |
| 2019-02 |
Enex Infrastructure Fund Investment Corporation listed on the Tokyo Stock Exchange's infrastructure fund market. |
| 2019-02 |
Relocated headquarters to 3-2-5 Kasumigaseki, Chiyoda-ku, Tokyo |
| 2019-02 |
Enex Asset Management Co., Ltd. entrusted with asset management, Enex Infrastructure Fund Investment Corporation listed on the Tokyo Stock Exchange Infrastructure Fund Market |
| 2019-02 |
Relocated headquarters to 3-2-5 Kasumigaseki, Chiyoda-ku, Tokyo |
| 2019-06 |
Started collaboration with Nissan Motor Co., Ltd. for electric sales |
| 2020-04 |
Established ITC ENEX Southeast Asia Co., Ltd. and ITC ENEX Thailand Co., Ltd. |
| 2020-04 |
Established ITC ENEX Southeast Asia Co., Ltd. (now a subsidiary). Established ITC ENEX (Thailand) Co., Ltd. (now a subsidiary) |
| 2020-04 |
Established ITC ENEX Southeast Asia Co., Ltd. (now a subsidiary): Established ITC ENEX (Thailand) Co., Ltd. (now a subsidiary) |
| 2020-10 |
Launched new brand for power-related business, "TERASEL" |
| 2021-02 |
Merged Enex Life Service Co., Ltd. and Enex Auto, and started collaboration on hydrogen value chain development |
| 2021-02 |
Merged management of Enex Life Service Co., Ltd. and Enex Auto Co., Ltd. (now a consolidated subsidiary). Started collaboration with Japan Air Liquide LLC and Itochu Corporation on hydrogen value chain development |
| 2021-02 |
Merged management of Enex Life Service Co., Ltd. and Enex Auto Co., Ltd.: (now consolidated subsidiary Enex Life Service Co., Ltd.) |
| 2021-02 |
Started collaboration with Japan Air Liquide LLC and Itochu Corporation on hydrogen value chain construction |
| 2022-04 |
Merged with Enex Fleet Co., Ltd. and entered automobile auto auction business |
| 2022-04 |
Merged management of Enex Fleet Co., Ltd., Ogura Kousan Energy Co., Ltd., and Enex Petroleum Sales West Japan Co., Ltd. (now a consolidated subsidiary Enex Fleet Co., Ltd.) |
| 2022-04 |
Merged management of Enex Fleet Co., Ltd., Kokura Kousan Energy Co., Ltd., and Enex Oil Sales West Japan Co., Ltd.: (now consolidated subsidiary Enex Fleet Co., Ltd.) |
| 2022-06 |
Acquired shares of I-A-A Co., Ltd. and entered automobile auto auction business |
| 2023-06 |
Subscribed to third-party allotment of shares of Infomatis Co., Ltd., and started efforts to provide new services utilizing energy-efficient use and high-precision electric power data |
| 2023-08 |
Acquired some shares of Narnet Communications Co., Ltd., which manages maintenance of leased vehicles, and expanded business related to automotive aftermarket |
| 2023-10 |
Strengthened road infrastructure maintenance business through capital and business alliance with Nichireki Co., Ltd. |
| 2024-05 |
Founded WECARS Co., Ltd. together with Itochu Corporation and J-Will Partners Co., Ltd. |
| 2024-10 |
Merged Itochu Enex Home Life West Japan, Hokkaido, Tohoku, and Shikoku companies to establish Itochu Enex Home Life Co., Ltd. |
| 2024-10 |
Merged management of Itochu Enex Home Life West Japan Co., Ltd., Hokkaido Co., Ltd., Tohoku Co., Ltd., and Shikoku Co., Ltd., into Itochu Enex Home Life Co., Ltd. |
| 2024-10 |
Merged management of Itochu Enex Home Life West Japan Co., Ltd., Itochu Enex Home Life Hokkaido Co., Ltd., Itochu Enex Home Life Tohoku Co., Ltd., and Itochu Enex Home Life Shikoku Co., Ltd.: (now consolidated subsidiary Itochu Enex Home Life Co., Ltd.) |
| 2025-02 |
Formed capital and business alliance with ENECHANGE Co., Ltd., and undertook third-party allotment of shares to promote value chain enhancement in power, gas, and mobility sectors |
| 2025-02 |
Signed a capital and business alliance agreement with ENECHANGE Co., Ltd. and subscribed to third-party allotment of shares |
| 2025-02 |
Signed a capital and business alliance agreement with ENCHANGE Co., Ltd., subscribed to third-party allotment of new shares, and promoted value chain enhancement in power, gas, and mobility sectors |
| 2025-10 |
Acquired shares of Kanmon Marine Co., Ltd., expanding ship fuel business |
| 2025-10 |
Acquired shares of Kanmon Marine Co., Ltd. (now a consolidated subsidiary ENEKS Marine Connect Co., Ltd.) and expanded the ship fuel business |
| 2025-10 |
Acquired shares of Kanmon Marine Co., Ltd. (now a equity-method affiliate Enex Marine Connect Co., Ltd.) and further expanded the ship fuel business |
| 2026-01 |
Signed business consignment agreement with World Net Co., Ltd., and acquired some of its shares held by business succession fund |
| 2026-01 |
Signed a business consignment agreement with World Net Co., Ltd. and acquired part of its shares held by the business succession fund to participate in capital |