Great Britain
| Name | Firms | TM |
|---|---|---|
| Airspeed Limited | ||
| Armstrong Whitworth | W.G. Armstrong Whitworth Aircraft Limited | |
| Aviation Trades | ||
| Avro | A.V. Roe Aircraft Limited | |
| BAC | British Aircraft Corporation Limited | BAC |
| Beagle | British Executive General Aviation Aircraft Ltd. | |
| Bristol | Bristol Aircraft Ltd. | |
| DH | De Havilland Ltd. | DH |
| Fairey | The Fairey Aviation Company Limited | |
| Gloster | Gloster Aircraft Company Limited | |
| Handley Page | Handley Page Limited | |
| Hawker | Hawker | |
| Short | Short Brothers & Harland Limited | |
| Sopwith | Sopwith Aviation Company | |
| Vickers | Vickers-Armstrong Limited | |
| Westland | Westland Aircraft Ltd. |