- Aviation Laboratories
 - Houston - Provider of aviation parts, maintenance kits, laboratory services, rotor and helicopter parts and services and spare or rotable parts. - Central Helicopter Service, Inc.
- Houston - Purchase, sale, and charter of turbine powered helicopters and parts.
- FlyBoys
- Houston - Sells flight gear for pilots, including kneeboards, pubs bags, and flight kits.
- Helicopter Services
- Houston - Professional helicopter training.
- Murmer Aircraft Services
- Arcola - Specialises in aircraft painting, finishing, treatment, refurbishing, and restoration for pilot-owners, aircraft sales brokers, or corporate aircraft managers.
- Sunrise Helicopter, Inc.
- Spring - Engine and other parts of major manufacturers.
- Texas Air Services
- Dickinson - De Havilland DHC-6 Twin Otter aircraft repairs, parts, overhauls, service, and support.
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