
Mitsui & Co., Ltd. operates as an trading and investment company worldwide. The company engages in the manufacture and sale of steel products; steel processing, maintenance, and recycling activities; investment, development, and trading of mineral and metal resources, as well as resource recycling and industrial developing solutions; and upstream development, logistics, and trading of energy resources, such as natural gas/LNG, oil, coal, and uranium. It also offers power, gas, water, rail, and logistics systems; sales, financing, lease, transportation, and logistics services; and invests in plants, offshore energy development, ships, aviation, space, railways, and automotives, as well as machinery for mining, construction, and industrial use.