Mitsubishi Heavy Industries, Ltd. is a diversified manufacturer. The Energy and Environment segment offers boilers, turbines, gas turbines, diesel engines, water wheels, windmills, nuclear power equipments, nuclear power peripheral devices, among others. The Traffic and Transportation segment offers various ships, including cruise ships, liquefied natural gas (LNG) ships, liquefied petroleum gas (LPG) ships, car ferry, special purpose vessels, automobile carriers, oil tankers, container ships and others, as well as marine structures, among others. The Defense and Space segment offers ships, fighters, helicopters, aircraft fuselage parts, defense aircraft engines, induction flying objects, torpedoes, among others. The Machinery and Equipment systems segment offers waste treatment and exhaust gas treatment equipments, transportation equipments, steel machinery, compressors, bridges, among others. As of March 31, 2014, the Company had 290 subsidiaries and 39 associated companies.