SIC Code 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.

Cross References

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.

Illustrative Examples

  • Aircraft
  • Airplanes, fixed or rotary wingAirshipsAutogirosBalloons (aircraft)BlimpsDirigiblesGliders (aircraft)Hang glidersHelicoptersResearch and development on aircraft by the manufacturer

Industry Leaders

Further Classification

6-digit SIC

  • 372101Aircraft-manufacturers
  • 372102Aircraft Interior Redesigning (mfrs)
  • 372103Aircraft/aircraft Equip Testing (mfrs)
  • 372104Balloons-hot Air Whol & Mfrs
  • 372105Helicopter-manufacturers
  • 372106Gliders (manufacturers)
  • 372107Aircraft Designing (manufacturers)
  • 372108Hovercraft (manufacturers)

7-digit SIC

  • 3721001Aircraft Mfg
  • 3721002Helicopter Mfg
  • 3721003Fixed Or Rotary Wing Airplanes
  • 3721004Aircraft Research & Development
  • 3721005Aircraft Interior Redesigning Mfg
  • 3721006Motorized Aircraft
  • 3721007Aircraft/aircraft Equipment Testing Mfg
  • 3721008Nonmotorized & Lighter-than-air Aircraft
  • 3721009Aircraft Designing Mfg
  • 3721010Airships
  • 3721011Hovercraft Mfg
  • 3721012Balloons-hot Air Wholesale & Mfg
  • 3721013Blimps
  • 3721014Dirigibles
  • 3721015Gliders Mfg
  • 3721016Hang Gliders
  • 3721017Autogiros

8-digit SIC

  • 37210000Aircraft
  • 37210100Motorized Aircraft
  • 37210101Airplanes, Fixed Or Rotary Wing
  • 37210102Helicopters
  • 37210200Nonmotorized And Lighter-than-air Aircraft
  • 37210201Airships
  • 37210202Balloons, Hot Air (aircraft)
  • 37210203Blimps
  • 37210204Dirigibles
  • 37210205Gliders (aircraft)
  • 37210206Hang Gliders
  • 37219901Autogiros
  • 37219902Research And Development On Aircraft By The Manufacturer