FCX Systems, founded in 1987, is a designing manufacturing and trading company offering 50, 60 and 400 Hz solid state frequency converters, ground power systems and preconditioned air units. FCX Systems manufactures a variety of sizes and configurations of preconditioned air units to service a wide variety of aircraft. It serves a range of industries, such as military, aerospace, commercial aviation and ground support. It is also supplies aviation ground support equipment. FCX Systems provides maintenance and repair services for its clients. The company offers customer services, such as online booking of service and repair appointments. It is located in Morgantown, W.Va.