Mitsubishi Heavy Industries, Ltd. engages in the manufacture and sale of ships, industrial machinery, and aircrafts. Its operations are carried out through the following segments: Energy & Environmental; Commercial Aviation & Transportation Systems; Integrated Defense & Space Systems; Machinery Equipment & Infrastructure; and Others. The Energy & Environmental segment provides solutions in social infrastructure in the areas of energy including thermal, nuclear, and renewable energies; as well as the environment including the environmental and chemical plants. The Commercial Aviation & Transportation Systems segment encompasses land, sea, and air transportation systems such as light rail transit networks, commercial vessels and civilian aircraft. The Integrated Defense & Space Systems segment provides land, sea, air and space defense systems including warships, military aircraft, rockets, special vehicles, and its related equipment and services. The Machinery Equipment & Infrastructure segment capitalizes on synergy benefits between business areas applied to a broad lineup of products including machine tools, handling and distribution systems, air-conditioning and refrigeration systems, bridges, and others. The Others segment offers real estate leasing and sales; printing, and information services. The company was founded by Yataro Iwasaki on July 7, 1884 and is headquartered in Tokyo, Japan.