- Van Nuys Flight Center
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating
- USA [Unverified ]
- US Aviators LLC
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating, Multi Engine Rating, Multi Engine IFR/IR, Multi Engine Sim Training
- USA [Unverified ]
- Carbonix
- Main business：1000~3000 square meter
- Australia [Unverified ]
- Universal Air Academy
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating, Multi Engine Rating, Multi Engine IFR/IR, Multi Engine Sim Training
- USA [Unverified ]
- Wencor Group.
- Main business：airline operators, repair stations, and militaries
- USA [Unverified ]
- Ukiah Aviation
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating
- USA [Unverified ]
- Aerosonde Ltd
- Main business：1000~3000 square meter
- Australia [Unverified ]
- Aerobot
- Main business：1000~3000 square meter
- Australia [Unverified ]
- Ramona Research
- Main business： rugged Microwave and RF power amplifiers, transmitters, and receivers for commercial and military applications operating from UHF to Ku-Band
- USA (Manufacturer,Traders) [Unverified ]
- Lucix
- Main business：modules, units and subsystems from UHF through L, C, X, Ku, Ka and Q Bands.
- USA (Manufacturer,Traders) [Unverified ]
