Established in 1925, Pratt & Whitney is one of the leading designers and manufacturers of aircraft engines throughout the world. It provides a range of industrial gas turbines and space propulsion systems. The company has a staff of more than 38,500 employees. It serves over 9,000 customers in nearly 180 countries. Pratt & Whitney is located in Hartford in Connecticut. The company builds engines for front line fighters, including the F-15 Eagle, F-16 Fighting Falcon, F-22 Raptor and F-35 Joint Strike Fighter. It serves various clients in the commercial and military markets. Pratt & Whitney is a part of United Technologies Corporation. Additionally, the company provides a variety of on-site long-term support solutions.