Mitsui O.S.K. Lines, Ltd., together with its subsidiaries, provides maritime cargo transport and ship chartering services in Japan, North America, Europe, Singapore, and internationally. It operates through Dry Bulk Business; Energy Business; Container Ship Business; Automobile Transport, Port, and Logistics Business; Ferry/Domestic RORO Ship Business/Cruise Business; Real Estate Business; and Related Businesses segments. The company engages in the dry bulk shipping of raw materials, including iron ore, coal, wood chips, and biomass fuels, as well as intermediate goods and finished products, such as fertilizers, grain, cement, salt, and steel products; owning and operation of oil tankers and liquified gas and liquefied natural gas carriers, as well as carbon solutions, LNG infrastructure, offshore, and offshore wind power energy businesses; and owning and operation of container ships, as well as ocean transportation and onshore storage. It also provides product transport services comprising containership under the Ocean Network Express brand; car carrier under the Auto Carrier Express brand; container terminal management; and logistics services, which include air and ocean freight forwarding, trucking, customs clearance, warehousing, and buyers' consolidation. In addition, the company is involved in land and office building leasing, as well as building management; and owning and operation of ferries and coastal RoRo vessels, as well as cruise ships. Further, it engages in associated businesses, such as tugboat operations; maritime consulting comprising assessment of marine navigation safety, ship mooring, and port function evaluation, as well as investigation of maritime policies; and Global HR consulting, including human resources services, training and development programs, web design and development services, and operation of a matching platform for companies under the Sunrise brand. The company was founded in 1884 and is headquartered in Minato, Japan.