- Willamette Aviation
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Wilkes County Airport
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Wildcatter Aviation
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Wiarton Airport
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Whitewater Aviation
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- WhiteAir
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Whisler Aviation, Inc.
- Main business：flight training, used aircraft saling, aviation service
- USA [Unverified ]
- Skytronics, Inc.
- Main business：aircraft service;aircraft sales
- USA [Unverified ]
- AcuCut, Inc.
- Main business：aircraft manufactures
- USA [Unverified ]
- Fiarex.
- Main business：aircraft materials
- USA [Unverified ]
- JATO Aviation.
- Main business：aviation school;aircraft charter
- USA [Unverified ]
