- Hangars and other aircraft storage facilities (1)
- Aircraft storage at airports (1)
- Airport hangar rental (2)
- Hangar operation (4)
- Aircraft maintenance and repair services (31)
- Aircraft servicing and repairing (19)
- Aircraft upholstery repair (1)
- Airport (13)
- Air freight handling at airports (4)
- Airport control tower operation, except government (1)
- Airport leasing, if operating airport (1)
- Airport terminal services (3)
