Mitsubishi Heavy Industries, Ltd. engages in the manufacture and sale of ships, industrial machinery, and aircraft. The company is headquartered in Chiyoda-Ku, Tokyo-To. The firm operates through four segments. Energy Segment is engaged in the design, manufacturing, sales, services and installation of thermal power generation systems, nuclear power generation systems, wind power generation systems, aircraft engines. Plants & Infrastructure Segment is engaged in the design, manufacturing, sales, services and installation of steelmaking machinery, ships, engineering, environmental equipment, mechanical systems. Logistics, Thermal & Drive Segment is engaged in the design, manufacturing, sales, services and installation of distribution equipment, turbochargers, engines, refrigeration products. Aircraft, Defense & Space Segment is engaged in the design, manufacturing, sales, services and installation of civil aircraft, defense aircraft, airplanes, naval vessels, special vehicles, special machinery.