Founded in 1956, Duncan Aviation is one of the leading family-owned aircraft support organization in the United States. The company offers services for business aircraft, including Falcon, Hawker, Challenger, Gulfstream, Astra, Westwind, Citation and Learjet. It serves various markets in more than 10 U.S. states and maintains over 20 service locations. Duncan Aviation provides aircraft-specific capabilities, authorizations and certifications for accessories, engines, airframe and avionics. The company works with team of nearly 2,200 staff members. It provides services that include paint, overhaul, install, modify, inspect, fuel and repair. Duncan Aviation s services include airframe inspection and maintenance and major retrofits for cabin and cockpit systems. It maintains its facilities in Lincoln, Neb., and Battle Creek, Mich.