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 l...