Industry: 3721—Aircraft
Establishments primarily engaged in manufacturing or assembling complete aircraft. This industry also includes establishments owned by aircraft manufacturers and primarily engaged in research and development on aircraft, whether from enterprise funds or on a contract or fee basis. Also included are establishments engaged in repairing and rebuilding aircraft on a factory basis. Establishments primarily engaged in manufacturing engines and other aircraft parts and auxiliary equipment are classified in Industries 3724 and 3728; and those manufacturing guided missiles and space vehicles and parts are classified in Industry Group 376. Establishments primarily engaged in the repair of aircraft, except on a factory basis, are classified in Transportation, Industry 4581; and research and development on aircraft by establishments not owned by aircraft manufacturers are classified in Services, Industry 8731.

AircraftDirigibles
Airplanes, fixed or rotary wingGliders (aircraft)
AirshipsHang gliders
AutogirosHelicopters
Balloons (aircraft)Research and development on aircraft by the manufacturer
Blimps
Codes Titles Number of US Businesses
3721Aircraft1,725
372100Aircraft1,200
37210000Aircraft1,200
372101Motorized aircraft329
37210100Motorized aircraft53
37210101Airplanes, fixed or rotary wing171
37210102Helicopters105
372102Nonmotorized and lighter-than-air aircraft65
37210200Nonmotorized and lighter-than-air aircraft4
37210201Airships7
37210202Balloons, hot air (aircraft)23
37210203Blimps6
37210204Dirigibles6
37210205Gliders (aircraft)4
37210206Hang gliders15
372199Aircraft, nec131
37219901Autogiros13
37219902Research and development on aircraft by the manufacturer118