Mitsui & Co., Ltd. operates as a general trading company worldwide. It engages in the export, import, wholesale, and retail of steel products; steel processing; mining and sale of iron ores; and sale and trading of non-ferrous scrap, alloys, and products. The company also invests in copper, nickel, coal, power generation, cobalt smelting, gas distribution, LNG terminal, deepwater drilling, cogeneration, truck leasing, shipping, passenger transport, methanol, crop protection, phosphate rock, natural gas liquefaction, processed oil food, healthcare staffing, cyber security, and private equity businesses. It also sells equipment, and machine tools and plastics; designs, builds, and operates wastewater treatment plants, and container and air cargo terminals; and imports and sells automobile and auto parts, helicopter, defense, and aerospace products. In addition, the company finances automobile and motorcycle; provides auto parts logistics services; leases and manages freight car and locomotives; operates chemical tankers; produces salt; and sells solvents and coating materials, petroleum and crude oil, agricultural, marine, energy and base metal, canned and chilled foods, juice ingredient, coffee beans, food and beverages, packaging materials, groceries, and electronic devices and equipment. Further, it develops and sells IoT solutions; processes and sells woodchips; offers clothing, industrial chemicals, fertilizers, saccharified, pharmaceuticals, feedstuff, and information and communication equipment; explores, develops, and produces oil and natural gas; offers non life and life insurance agency, warehousing, grain merchandising, water supply, and financing services; and develops, manages, sells, leases, and brokerages real estate properties. The company has strategic partnerships with Kirin Holdings Company, Limited and Nightingale Health Ltd. to launch blood-testing services; and Factual. The company was founded in 1947 and is headquartered in Tokyo, Japan.