Mitsui & Co., Ltd. engages in the general trading business. It operates through the following segments: Iron and Steel Products, Mineral and Metal Resources, Machinery and Infrastructure, Chemicals, Energy, Lifestyle, Innovation and Corporate Development, and Others. The Iron and Steel Products segment manages the sourcing and supply of iron and steel products; investment in steel service centers; electric furnace steel mills, rolling mills, component manufacturers; and the iron and steel distribution industry. The Mineral and Metal Resources segment handles investment in resource development, production, processing, and trading business; and the environmental recycling business. The Machinery and Infrastructure segment upgrades and maintains infrastructure to facilitate social and economic development through projects in fields such as power generation, energy and mineral resources, marine energy, water supply, and logistics. The Chemicals segment manufactures, trades and sells chemical products in Japan and overseas. The Energy segment explores, develops, produces, and trades energy resources. The Lifestyle segment deals with global sales of food resources and products. The Innovation and Corporate Development segment undertakes information technology, financial technology, and logistics technology services. The Others segment includes corporate staff department performing financial business services. The company was founded on July 25, 1947 and is headquartered in Tokyo, Japan.