Founded in 1925, Pratt & Whitney is one of the leading designers and manufacturers of aircraft engines, industrial gas turbines and space propulsion systems in the world. The company builds engines for front line fighters, such as the F-15 Eagle, F-16 Fighting Falcon, F-22 Raptor and F-35 Joint Strike Fighter, as well as the C-17 Globemaster III military transport. It has produced more than 60,000 engines that power regional aircraft, corporate jets and helicopters. Pratt & Whitney sells industrial gas turbines under the PureCycle brand. The company is also involved in the development of game changing technologies for passenger aircraft and hypersonic propulsion systems. It operates Pratt & Whitney Canada, which provides turbofan, turboprop and turboshaft engines. Pratt & Whitney manages Pratt & Whitney Rocketdyne, which is a rocket engine manufacturer. The parent company serves clients in the commercial and defense sectors. In addition, it offers engine overhaul, repair, line maintenance and specialty services. Pratt & Whitney is a part of United Technologies Corporation.