Mitsubishi Corporation

Business Investments

E & P Business Division

MCX Exploration (USA), LLC

A wholly-owned subsidiary of Mitsubishi Corporation. The company is promoting business in the exploration, development and production sectors for crude oil and gas in the Mexican Gulf.

MC Resources Australia Pty Ltd

A wholly-owned subsidiary of Mitsubishi Corporation. The company is providing technological support for the exploration, development and production operations of oil and gas in Australia that MC owns a stake in through its subsidiaries.

MPDC Gabon Co., Ltd.

MC holds 75% equity share of MPDC Gabon Co., Ltd., the company explores, develops, and produces crude oil in Gabon, West Africa.

Energi Mega Pratama Inc.

MC holds 25% equity share of Energi Mega Pratama Inc., a holding company of Kangean blocks' operating entities in Indonesia.

Encore Energy Pte. Ltd.

MC holds 39.4% equity share of Encore Energy Pte. Ltd. Through this company, MC indirectly holds 19.97% of equity share of PT Medco Energi Internasional Tbk (listed company on the Jakarta Stock Exchange). PT Medco Energi Internasional Tbk is the largest E&P company in Indonesia.

Mitsubishi Corporation Exploration Co., (English)

Mitsubishi Corporation Exploration Co., Ltd. is a wholly owned subsidiary of Mitsubishi Corporation. We promote, operate, and manage upstream activities such as exploration, development, and production of oil and gas for oversea assets owned by Mitsubishi Corporation.

Natural Gas Business Division

Brunei LNG Sendirian Berhad

It is one of the first large-scale LNG projects supplying LNG to Japan and it has provided a stable supply of LNG for over 40 years.


A fifty-fifty joint venture established by Mitsubishi Corporation (MC) and Tokyo Electric Power Company, through its wholly-owned subsidiary TEPCO Trading. Purchasing LNG acquired by MC from Oman, the company will consider MC's demand for LNG (primarily for sale to the U.S. market) and TEPCO's demand for LNG (primarily for its own consumption), and then flexibly distribute supplies to both companies.

Diamond Gas International Pte. Ltd.

Diamond Gas International Pte. Ltd. is a wholly-owned LNG sales subsidiary that MitsubishiCorporation (MC) established in Singapore. Its three major business areas are (1) marketing of LNG produced by projects in the U.S. and Canada in which MC has equities, (2) new business development in emerging LNG markets, and (3) LNG short-term trading and optimization.

Diamond Gas Operation Co., Ltd. (DGO) (English)

A wholly-owned subsidiary of Mitsubishi Corporation. The company is in charge of the LNG payment and remittance business of MC in addition to providing electric power companies and gas companies with information regarding natural gas.

Japan Australia LNG (MIMI) Pty. Ltd.

A joint venture company in which Mitsubishi Corporation has a 50% share. The company has a one-sixth equity interest in the North West Shelf (NWS) Project and undertakes exploration, development, production and selling operations for oil and gas. It supplies Japanese electric power and gas companies with 9.5 million tons of LNG annually.

Malaysia LNG Sdn. Bhd. / Malaysia LNG Dua Sdn. Bhd. / Malaysia LNG TIGA Sdn. Bhd.

Using natural gas from the gas fields offshore of the state of Sarawak, Malaysia LNG project produces liquefied natural gas (LNG) primarily for sale to electric and gas companies in Japan, South Korea and Taiwan. The combined LNG production capacity of the three projects totals 24 million tons a year, ranking the site's capacity among the world's highest for a single LNG site.

PT Donggi Senoro LNG

PT Donggi Senoro LNG is the joint venture that Mitsubishi Corporation has invested in as the largest shareholder approximately 45% interest for the first time in its LNG business history. The company liquefies natural gas produced from the gas fields of Central Sulawesi Province, Indonesia and sells approximately 2 million tons of LNG annually to Japan and South Korea.

Shell MDS (Malaysia) Sdn. Bhd. (SMDS)

A joint venture of Mitsubishi Corporation, the Royal/Dutch Shell Group of Companies (Shell), state-owned Petroliam Nasional Berhad (Petronas) and the Sarawak State Government. It is the world's first commercial project to employ Gas to Liquids (GTL) technology, which is seen to have huge potential as an effective way for utilizing natural gas. Operations commenced in fall 1993 with annual production totaling 500,000 tons.

Western Australia LNG Import Service Co., Ltd. (WALISCO)

Western Australia LNG Import Service Co. Ltd. (WALISCO) was founded in 1989, the year North West Shelf Project started production, as a joint venture of Mitsui & Co. Ltd., Mitsubishi Corporation and JX Nippon Oil & Energy Corporation (formerly known as Nippon Oil Corporation) to handle delivery, custom clearance, tax payments and settlements for the ten Japanese utility companies purchasing LNG from North West Shelf Project. WALISCO also functions as the liaison office between the buyers and the sellers. Mitsubishi and Mitsui have 48% of the equity interest respectively and JX has 4%.

Petroleum Business Division

Diamond Tanker Pte. Ltd.

Mitsubishi Corporation (MC) established Diamond Tanker Pte. Ltd. in April 2005 after deciding to shift its tanker operations for the transport of crude oil and petroleum products to Singapore. The company commenced operations in May 2005.

Kanokawa Terminal Co., Ltd.

An absorption-type corporate divestiture from the Kanokawa Office of MC Terminal Co., Ltd. effectuated in October 2008. It got a new start as Kanokawa Terminal Co., Ltd., a petroleum logistics company with 760 thousand kiloliters total capacity crude and fuel oil tanks.

MC Kaiun Co., (Japanese)

MC Kaiun Co., Ltd. was established in 1992 in partnership with two major domestic shipping companies. The company continuously endeavors to ensure safety while responding to the broad needs of customers in the shipping industry.

Mitsubishi Corporation Energy Co., (English)

Mitsubishi Corporation Energy was established in October 2015 to integrate MITSUBISHI SHOJI SEKIYU CO. LTD., MC Energy, Inc. and MC’s fuel oil sales business for industrial customers. The company supplies various petroleum products such as gasoline, kerosene and gas oil, fuel oil, asphalt and lubricants; in other words, we cover the major part of the petroleum industry’s downstream sector.

Onahama Petroleum Co., (Japanese)

The largest oil distribution terminal on the coast of the Pacific north of the Kanto region in Japan. The company maintains tanks for crude oil, fuel oil and petroleum products which have a gross capacity of 1.6 million kiloliters. In addition to tank leasing business, the company also sells crude oil and petroleum products.

Petro-Diamond Inc. (PDI)

With tank facilities located near Los Angeles, the company sells petroleum products across the U.S. Pacific coast. The company deals in an annual total of over two million kiloliters.

Petro-Diamond Singapore (Pte) Ltd (PDS)

A frontline base for Mitsubishi Corporation's trading in crude oil, petroleum products, LPG and carbon. The company covers a broad range of business activities with annual trade volume of ten million tons.

Showa Yokkaichi Sekiyu Co., Ltd.

Established as a joint venture by Showa Shell Sekiyu K.K. and Mitsubishi Corporation. The company supplies various petroleum products that it has produced by refining crude oil.

Carbon & LPG Business Division

Astomos Energy (English)

A new company established by Mitsubishi Corporation and Idemitsu Kosan Co., Ltd. on April 1, 2006, integrating the liquefied petroleum gas (LPG) businesses of both companies.

MC Carbon Co., Ltd.

Deals in carbon related products such as coal coke, artificial graphite electrodes and carbon additives for steelmaking. The company is a specialist trading company boasting a full product line-up from raw materials to manufactured products, marketed mainly to the Japanese market.

MC Zhenjiang Anode Solutions Co., LTD.

A joint venture between MC and Zhenjiang Coking & Gas Group, China's largest specialized coke manufacturer. It is engaged in the production and sale of anodes for aluminum smelting. MC Zhenjiang Anode Solutions Co., Ltd. started operations in January 2010, and sells products to aluminum smelting companies in China and other countries.

Namikata Terminal Co., (Japanese)

Namikata Terminal Co., Ltd. is a general terminal company established in January 1981 as a Mitsubishi Corporations' wholly-owned subsidiary. The principal business of Namikata Terminal is unloading / loading liquid petroleum gas (LPG), crude oil, petroleum products and petrochemicals from / to tankers, etc. and storing them for clients.

Ryoshin Bulk Trans Co., Ltd.

Ryoshin Bulk Trans Co., Ltd. is a joint-venture between MC and Shin Nihon Kinkai Kisen Kaisha Ltd. that owns bulk freight carriers, which mainly ship petroleum coke, for coastal shipping within Japan as well as provides transportation brokerage services.

Sekiyu Cokes Kogyo Co., Ltd.

100% Subsidiary for storage and logistic terminaling for petroleum coke produced by JX Nippon Oil and Energy Corporation. Main products include needle petroleum coke and raw petroleum coke.

New Business Development Dept.

Frontier Energy Niigata Co., Ltd.

The company is a wholesale power provider that sells electricity to retail power providers. It built the world's first 110,000 kilowatt thermal power plant solely fueled by petroleum coke in the Higashiko district in Niigata. Mitsubishi Corporation supports its business by supplying fuel and recycling the by-products.