Mitsubishi Corporation

Business Investments

E & P Business Division

MCX Exploration (USA), Ltd.

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.

MPDC Gabon Co., Ltd.

As a wholly-owned subsidiary of Mitsubishi Corporation, 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 International Tdk (listed company on the Jakarta Stock Exchange). PT Medco Energi International Tdk 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

A joint venture company in which Mitsubishi Corporation has a 25% share. The company liquefies natural gas in Brunei and sells approximately 7 million tons of LNG annually to Japan and Korea. As Japan's first large-scale LNG project, it has provided a steady supply of LNG for over 30 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 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, Korean and Taiwan. The combined LNG production capacity of the three projects totals 23 million tons a year, making it the single maximum grade productive site in the world.

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)

Founded in 1989 as a joint venture by Mitsui & Co., Ltd., Nippon Oil Corporation and Mitsubishi Corporation (with a share equal to 45.83%). The same year saw the start of production at the North West Shelf (NWS) Project with WALISCO handling delivery, custom clearance and settlement for the eight Japanese companies purchasing the LNG. WALISCO also functions as the liaison office between the buyers and sellers of LNG.

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 Energy, (English)

MC Energy, Inc. is an energy trading company that handles a comprehensive range of petroleum products. Its two pillars are the industrial materials business in which it is among the top suppliers in Japan of asphalt used for road construction and other industrial purposes, and the bunker and lubricants business, which took over a business with a long history of providing stable bunker fuel oil supply to marine vessels.

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 Shoji Sekiyu Co., (Japanese)

The company is one of Japan's largest oil retailing and trading companies, with a nationwide network of about 300 distributors and over 1,100 service stations, which sells approximately 6.5 million kiloliters of petroleum products. The company is promoting the development of new types of service stations through alliances with businesses in different industries.

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 and has extended its trading business to Asia. The company deals in an annual total of over four 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. As one of the largest oil refiners in Japan, the company is contracted to refine 30,000 barrels of crude oil a day for end products.

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.