Mitsui & Co., Ltd. engages in the general trading business. It operates through the following segments: Iron & Steel Products, Mineral & Metal Resources, Machinery & Infrastructure, Chemicals, Energy, Lifestyle, Innovation & Corporate Development, and Others. The Iron & 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 & steel distribution industry. The Mineral & Metal Resources segment handles investment in resource development, production, processing, and trading business; and the environmental recycling business. The Machinery & Infrastructure segment upgrades and maintains infrastructure to facilitate social and economic development through projects in fields such as power generation, energy & 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 & 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.