Company Approvals
- Turbomeca UK Limited
- Goodrich UK Limited
- Hants & Sussex Aviation
- Rolls Wood Group (Aberdeen)
- Vector Engines UK Limited
- ITH Albacete
- Aeromaritime-America
- Aeromaritime-Malta
- Cobham Aviation (Bournemouth)
- Howmet Alcoa
- Thermo Electron Corporation
- Meggitt Vibrometer
- Vickers Systems
