A joint venture with the former Nissho Iwai Corporation (now: Sojitz Corporation) that manufactures, processes, distributes and sells steel products.

A wholly-owned Australian subsidiary of the Mitsubishi Corporation established in 1968. The company has taken a stake in approximately ten coal mines together with major natural resource companies and produces approximately 28 million tons of coal a year, ranking among the top five producers in Australia.

Mitsubishi Corporation Unimetals Ltd. handles a wide range of non-ferrous metals-related materials and products on a global scale. Operations extend from non-ferrous metal resources such as copper and aluminium to non-ferrous metal products, including aluminium products. The company conducts those businesses through its overseas offices and subsidiaries.

A manufacturer of secondary aluminum alloy ingots in which Nippon Light Metal Co., Ltd. contributed 55% of its initial capital along with 45% from MC. The company aims to contribute to global environmental conservation through natural resources and energy saving that is achieved through aluminum recycling, an activity of growing importance in efforts to build a recycling-based society.

The company provides services in the brokerage of commodity futures, foreign exchange margin trade and commodity funds.

A trading company active in Japan-based and offshore transactions of non-ferrous metal ingots, alloys, and scraps, mostly aluminum. The company plays a central role in the non-ferrous metal trading of Mitsubishi Corporation Group that is being carried out globally in Asia, Americas, and Europe.

A wholly-owned subsidiary of Mitsubishi Corporation that provides risk management solutions through the formation and sale of energy derivative products.

Invests in aluminum smelting businesses and sells aluminum ingots.

Established in 1971, Triland Metals Limited is a wholly-owned subsidiary of Mitsubishi Corporation. It is based in London, the central market for non-ferrous metal futures trading. The company is Japan's only one ring member (official member) of the London Metals Exchange (LME) and is carrying out brokering and trading activities to satisfy the needs of the industrial world.