| Company name | Group | Parent | Subsidiary | Customer | Supplier | Alliance | Bank | Shareholder |
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| Itochu Corporation | ||||||||
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| Hiroshima LP Gas Terminal Co., Ltd. | ||||||||
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Established Tsuchi City Joint Briquette Company (now Diamond Fuel Trading Co., Ltd.).
Established Nagano Propane Gas Co., Ltd.
Nissho (now Sojitz) began full‑scale domestic sales of LPG.
Established Haboro Propane Oil (now Nissho Propane Oil Co., Ltd.).
Nissho (now Sojitz), together with Nippon Express Liquefied Gas (now Nippon Trading Co., Ltd.) and Marubeni, plays a part in domestic sales of LPG imported by Bridgestone Liquefied Gas (now EnEOS Globe).
Established Ehime Nissho Propane Co., Ltd.
Nissho (now Sojitz) carried out emergency propane imports from Canada, contributing to stable supply in the industry.
Established Nissho Iwai Gas Co., Ltd. (now Nissho Gas Sales Co., Ltd.).
Established Kochi Nissho Propane Co., Ltd.
Negotiations for long‑term LPG imports from Iran (240,000 tons per year) were concluded by Nissho (now Sojitz), Itochu, Marubeni, and Idemitsu Kosan.
Nissho Corporation merged with Iwai Industries Corporation to become Nissho Iwai Corporation (now Sojitz).
Nissho Co., Ltd. and Iwai Sangyo Co., Ltd. merged to form Nissho Iwai Corporation (now Sojitz Corporation).
In October 1968, the joint import of LP gas from Iran by Idemitsu Kosan, Nissho Iwai, Itochu, and Marubeni began, with the joint import vessel "Kinzanmaru" (49,000 tons) delivering the first shipment to the newly established Idemitsu Kosan Chita base. This was the first case of a trading company directly contracting long‑term LPG imports with an oil‑producing country.
In October 1969, three trading companies—Nissho Iwai, ITOCHU, and Marubeni—joined the Japan LP Gas Association, renamed from the LP Gas Production and Import Roundtable, as importers.
In October 1969, the three trading companies (Nissho Iwai, Itochu, Marubeni) joined the newly renamed Japan LP Gas Association as importers.
Established Nissho Iwai Liquefied Gas Co., Ltd. (now Osaka Gas LPG Co., Ltd.), entering the wholesale sector in the Kinki region.
Established Nagatano Gas Center Co., Ltd.
Aiming to ensure stable LPG supply in the Hokuriku 3 prefectures, a secondary base company, Rengou Liquefied Gas Terminal Co., Ltd., was established with equal investment from Nissho Iwai, Cosmos Petroleum, and Iwata Industries.
Due to the Iranian Revolution, the long‑term LPG import contract with Iran, started in 1970 by three trading companies (Nissho Iwai, Itochu, Marubeni) and Idemitsu Kosan, was terminated with one year remaining.
Nissho Iwai entered into a long‑term import contract with Saudi Arabia's state oil company, PetroMin.
Nissho Iwai's investment company in LPG base facilities, NI Energy Terminal Co., Ltd. (100% owned by Nissho Iwai), together with Cosmo Oil and Itochu Liquefied Gas, established Shikokuchō LPG Base Co., Ltd. The first phase construction created an import base of 160,000 tons (40,000 tons × 4 units) in Shikokuchō City, Mie Prefecture.
NI Energy Terminal Co., Ltd., an investment company for facilities related to Nissho Iwai's LPG bases and 100% owned by Nissho Iwai, established Yokkaichi LPG Base Co., Ltd. as a joint venture with Cosmo Oil and ITOCHU Liquefied Gas. The first phase of construction saw the establishment of an import base in Yokkaichi, Mie Prefecture, with four 40,000-ton tanks, for a total capacity of 160,000 tons.
To ensure stable LPG supply in the China region, Nissho Iwai, together with Daioxygen (now Taiyo Nichisan) and Cosmo Oil Gas, established Hiroshima LPG Terminal Co., Ltd., a secondary offshore receiving base with cylinder filling facilities located in Hiroshima City overlooking the Seto Inland Sea.
Nissho Iwai's LPG division was spun off and established as Nissho Iwai Oil Gas Co., Ltd. (NIPG).
As the second phase of downstream expansion, it succeeded Owasu Gas and established Mie Nissho Gas (now Dia Fuel Trading).
The second phase construction of the Shikokuchō LPG Base (40,000 tons × 1 unit and 45,000 tons × 1 unit) was completed, bringing the total to 245,000 tons together with the first phase, creating the country's largest LPG import base.
Nissho Iwai Oil Gas merged with NI Energy Terminal, the investment company in LPG base facilities owned 100% by Nissho Iwai (now Sojitz). As a result, Nissho Iwai Oil Gas's capital increased from 400 million yen to 450 million yen.
Nissho Iwai Petroleum Gas merged with NI Energy Terminal, a company that invested in facilities related to Nissho Iwai's LPG bases (100% owned by Nissho Iwai). As a result, the capital of Nissho Iwai Petroleum Gas increased from ¥400 million to ¥450 million.
Nissho Iwai Liquefied Gas Co., Ltd. merged with Nara Nissho Propane Co., Ltd. to form Nissho Iwai Gas Energy (now Osaka Gas LPG Co., Ltd.), aiming to improve sales efficiency in the Kinki region.
Nissho Iwai Ekika Gas Co., Ltd. and Nara Nissho Propane Co., Ltd. were merged to form Nissho Iwai Gas Energy (now Osaka Gas LPG Co., Ltd.), with the aim of improving sales efficiency in the Kinki region.
Capital was increased from 450 million yen to 1,725 million yen.
As a bulk supply company in the central Yō region of Ehime Prefecture, Ehime Nissho Propane and a wholesale company in the same region established Enes Carry Co., Ltd.
Osaka Gas invested 70%.
70% investment by Osaka Gas.
Sojitz Co., Ltd. was established.
The company name was changed to Nissho LP Gas Co., Ltd.
Itochu Corporation invested and changed the shareholding ratio (Osaka Gas 52.5%, Itochu Corporation 25%, Sojitz 22.5%).
Heartnet East Kanto Co., Ltd. was established through joint investment by Nissho Gas Sales and Itochu Enex Home Life Kanto.
Heartnet Higashi-Kanto Co., Ltd. was established through joint investment by Nissho Gas Sales and ITOCHU ENEX Home Life Kanto.
Japan Energy, together with Itochu Enex, established a new company (Japan Gas Energy: JGE) that integrates retail and wholesale functions. (Shareholding: Japan Energy 51%, Nissho LP Gas 29%, Itochu Enex 20%)
Together with Japan Energy and ITOCHU ENEX, established Japan Gas Energy (JGE), a new company integrating their refining and wholesale functions. (JGE shareholding: Japan Energy 51%, Nissho LP Gas 29%, ITOCHU ENEX 20%)
Shareholder ownership changed from Sojitz to Itochu Enex. (Osaka Gas 52.5%, Itochu Corporation 25%, Itochu Enex 22.5%)
The shareholder changed from Sojitz to ITOCHU ENEX. (Osaka Gas: 52.5%, ITOCHU Corporation: 25%, ITOCHU ENEX: 22.5%)
Nissho Petroleum Propane merged with Nissho and Tohkō Sangyō.
Transferred shares of Tokai Nissho Gas.
Transferred the shares held in Tokai Nissho Gas.
Transferred the shares held in Nagano Propane Gas.
Transferred the shares held in Nagano Propane Gas.
Established.
Osaka Gas and ITOCHU ENEX integrated their LPG wholesale and retail businesses in the Kanto, Chubu, and Kansai regions and established Enearc Co., Ltd. as the operating company overseeing LPG sales companies. (Osaka Gas: 50%; ITOCHU ENEX: 50%)
Transferred to Enearc the business of overseeing LPG sales companies that had been conducted by our company.
Transferred the shares held in Nissho Propane Oil, Ehime Nissho Propane, and Kochi Nissho Propane to the ENEX Group.
Our company became a holding company for the wholesale LPG business as a wholesaler, the business of owning bases such as Yokkaichi LPG Base, and companies including Japan Gas Energy.
Nissho LP Gas Co., Ltd. published its financial results announcement for the 9th fiscal year, covering April 1, 2025, through March 31, 2026. The balance sheet lists current assets of 3,346,432 and fixed assets of 4,178,290, among other items.
Nissho LP Gas Co., Ltd. published the balance sheet for its 8th fiscal year (April 1, 2024–March 31, 2025). The assets section lists current assets of 3,342,388 and fixed assets of 4,185,272. The liabilities section includes current and non-current liabilities, but the amounts are not available in the provided document.
Nissho LP Gas Co., Ltd. published its financial results announcement for its 7th fiscal year, covering April 1, 2023, through March 31, 2024. The balance sheet lists asset items such as cash and deposits, accounts receivable, short-term loans, and shares in affiliates, as well as liability items such as accounts payable and other payables.
Nichisho LP Gas Co., Ltd. published its balance sheet as part of its financial results announcement for the 5th fiscal period (April 1, 2021–March 31, 2022). The document lists assets and liabilities.
Nissho LP Gas Co., Ltd. has announced its financial results for its second fiscal period, from April 1, 2018 to March 31, 2019. The published balance sheet lists current assets of 2,770,515 and fixed assets of 4,173,000, among other items.
Nissho LP Gas Co., Ltd. announced its financial results for its first fiscal year. The reporting period ran from August 2, 2017, to March 31, 2018, and the document includes a breakdown of assets and liabilities.
Nissho LP Gas Co., Ltd. announced that it would reduce its capital by ¥1.036 billion to ¥100 million. The effective date is March 26, 2018, and the resolution was passed at a shareholders’ meeting held on February 5 of the same year. Creditors are requested to submit any objections within one month from the day following publication of the notice. There is no finalized most recent fiscal year.
Nissho LP Gas announced that shareholders listed in the shareholder register as of 5:00 p.m. on September 29, 2017, are entitled to the surplus dividend. The dividend was decided at the special shareholders' meeting on August 24, 2017, at ¥15,625 per share.
Nissho LP Gas Co., Ltd. has decided to reduce its capital from 1,135,000,000 yen to 591,500,000 yen, and its capital reserve from 840,000,000 yen to 436,500,000 yen. The effective date is October 1, 2017, and the shareholders' meeting resolution was concluded on August 24, 2017.
Nippon LP Gas Co., Ltd. announced that it will transfer the rights and obligations related to the LP gas wholesale business to NIPG Co., Ltd. through an absorption split. The effective date is October 1, 2017, and the shareholders' meeting approval was concluded on August 24 of the same year. Creditors who object to the split are requested to submit their objections within one month from the day after the announcement is published.