Mitsui & Co., Ltd. engages in the general trading business. The company is headquartered in Chiyoda-Ku, Tokyo-To and currently employs 56,400 full-time employees. The firm operates through seven segments. The Mineral & Metal Resources segment is engaged in resource development, manufacture, sales, and trading of steel and non-ferrous metal raw materials. The Energy Segment trades oil and gas, coal, and related products, and operates an electric power business. The Machinery & Infrastructure segment manufactures, sells, and trades machinery and equipment, as well as leases, finances, and operates infrastructure businesses. The Chemicals segment manufactures, sells, and trades chemicals and housing materials. The Iron & Steel Products segment manufactures, sells, and trades steel products. The Living Essentials segment manufactures, sells, and trades food and consumer goods, and conducts wellness-related businesses. The Next-Generation & Functional Businesses segment engages in the information and telecommunications business, logistics business, insurance business and media business.
