| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CLIVE DOLAN CONSULTANCY LIMITED | 07248034 | 10/05/2010 | Dissolved |
| Wipl Ltd | 03938910 | 24/10/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCHER COMMUNICATIONS SYSTEMS LIMITED | 03342471 | 31/07/1997 | 12/04/2000 | Dissolved |
| BAE SYSTEMS (DEFENCE SYSTEMS) LIMITED | 00236538 | 04/10/1993 | 05/01/2000 | Silver |
| Bae Systems (Farnborough 4) Ltd | 00318151 | 04/10/1993 | 01/02/2001 | Dissolved |
| PAGE GROUP LIMITED | 03796957 | 01/07/2000 | 30/11/2006 | Dissolved |
| PLASMA ANTENNAS LIMITED | 03977545 | 30/11/2001 | 26/06/2018 | Dissolved |
| ROKE MANOR RESEARCH LIMITED | 00267550 | 04/10/1993 | 01/10/1997 | Gold |
| SOCIETY OF BRITISH AEROSPACE COMPANIES (THE) | 00143447 | 17/11/1993 | 16/12/1998 | Dissolved |
| Siemens Plessey Pacific Holdings Ltd | 01155316 | 04/10/1993 | 15/04/1998 | Dissolved |
| Siemens Shelfco (1) Ltd | 00483450 | 04/10/1993 | 15/04/1998 | Dissolved |
| TEXTRON SYSTEMS ELECTRONIC SYSTEMS UK (HOLDINGS) LIMITED | 04295616 | 03/12/2001 | 01/04/2005 | Silver |
| TEXTRON SYSTEMS ELECTRONIC SYSTEMS UK LIMITED | 02642013 | 03/12/2001 | 01/04/2005 | Silver |
| THALES ATM LIMITED | 03229755 | 18/11/1996 | 01/04/1997 | Not Trading |
| TUV SUD SERVICES (UK) LIMITED | 00560225 | 04/10/1993 | 23/12/1996 | Gold |