- Gran-Aire, Inc.
- Main business：Flight Training, Aircraft Maintenance, Aircraft Rental
- USA (Service provider) [Unverified ]
- Fond du Lac Skyport
- Main business：Flight Training, Aircraft Maintenance, Aircraft Rental
- USA (Service provider) [Unverified ]
- Country Flying Education, Inc.
- Main business：Flight Training
- USA (Service provider) [Unverified ]
- Central Wisconsin Aviation, Inc
- Main business：Flight Training, Aviation Services, Aircraft Maintenance, Aircraft Fuel
- USA (Service provider) [Unverified ]
- CAVU Flight Academy
- Main business：Flight Training, Aviation Services
- USA (Service provider) [Unverified ]
- Am I High Aviation, LLC
- Main business：Flight Training
- USA (Service provider) [Unverified ]
- Denison Municipal Airport
- Main business：aircraft parts, aircraft service
- Italy [Unverified ]
- Del Monte Aviation
- Main business：aircraft parts, aircraft service
- USA [Unverified ]
- DeKalb Aviation
- Main business：aircraft service
- USA [Unverified ]
- Davis Flight Support
- Main business：aircraft parts, aircraft service
- USA [Unverified ]
- Davis Field Aviation
- Main business：aircraft parts, aircraft service
- USA [Unverified ]
- Cynthiana Harrison County
- Main business：aircraft parts, aircraft service
- USA [Unverified ]
- Cutter Aviation - COS
- Main business：aircraft parts, aircraft service
- USA [Unverified ]
- Crabtree Aircraft Co.
- Main business：aircraft service
- USA [Unverified ]
- County of San Mateo
- Main business：aviation service
- USA [Unverified ]
- Corvalli Aero Service
- Main business：aircraft service
- USA [Unverified ]
- Corporate Air Inc.
- Main business：aircraft service
- USA [Unverified ]
- Corporate Air
- Main business：aircraft service
- USA [Unverified ]
- Corperation Flight Management
- Main business：flight training, aviation service
- USA [Unverified ]
- Corona Air Ventures
- Main business：aircraft service
- USA [Unverified ]