| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GARRETT MOTION UK LIMITED | SC074001 | 23/08/1989 | 28/07/1995 | Silver |
| RACAL-DECCA LIMITED | 01507150 | 22/08/1992 | 20/03/1998 | Dissolved |
| Racal Defence Electronics (Radar) Ltd | 01706739 | 22/08/1992 | 28/03/1994 | Dissolved |
| Racal Defence Radar & Displays Ltd | 01706740 | 22/08/1991 | 28/03/1994 | Dissolved |
| Racal Defence Systems Ltd | 00370086 | 22/08/1992 | 28/03/1994 | Dissolved |
| Racal Marine Controls Ltd | 01555041 | 22/08/1992 | 03/11/1995 | Dissolved |
| Racal Marine Group Ltd | 00945331 | 16/01/1993 | 06/11/1995 | Dissolved |
| Racal Simulation Ltd | 01515989 | 22/08/1992 | 28/03/1994 | Dissolved |
| Racal-Decca Marine Ltd | 00770055 | 22/08/1992 | 06/11/1995 | Dissolved |
| Racal-Decca Service Ltd | 01555177 | 22/08/1992 | 06/11/1995 | Dissolved |
| THALES UK LIMITED | 00868273 | 22/08/1992 | 04/05/1999 | Bronze |