- Orange County Flight Center
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating
- USA [Unverified ]
- Meggitt Target Systems
- Main business：unmanned vehicle platforms, scoring systems, payloads, simulation systems and design of specialty systems to meet specific requirements
- Canada (Traders,Service provider) [Unverified ]
- Orange Coast College
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating, Multi Engine Rating, Multi Engine IFR/IR
- USA [Unverified ]
- Sparfell & Partners
- Main business：used aircraft sale , aircraft full-service aviation
- USA [Unverified ]
- Ocean Air Flight Services, Inc.
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating, Multi Engine Rating, Multi Engine IFR/IR
- USA [Unverified ]
- Oakland Flyers
- Main business：Private Pilot Certificate, Commercial Pilot Certificate, Flight Instructor, Instrument Rating, Multi Engine Rating, Multi Engine IFR/IR, Tail Wheel Pilot Training, Aerobatic Training
- USA [Unverified ]
- Martec Ltd
- Main business：engineering, technical and business services
- Canada (Service provider) [Unverified ]
- North Coast Air, Inc.
- 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 ]
