| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 12 JOHNSTONE STREET MANAGEMENT COMPANY LIMITED | 01452342 | 01/10/2004 | Silver |
| 12 JOHNSTONE STREET MANAGEMENT COMPANY LIMITED | 01452342 | 27/09/1995 | Silver |
| Ac-Atel Electronics Ltd | 03117967 | 25/10/1995 | Dissolved |
| Mountview Marketing Ltd | 03264314 | 16/10/1996 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 12 JOHNSTONE STREET MANAGEMENT COMPANY LIMITED | 01452342 | 12/08/1999 | 16/04/2000 | Silver |
| AIRCRAFT RESEARCH ASSOCIATION LIMITED | 00503668 | 14/07/1995 | 05/10/1998 | Bronze |
| AIRTANKER (FSTA) LIMITED | 04193115 | 11/12/2002 | 23/10/2003 | Dissolved |
| AIRTANKER 1 LIMITED | 04193141 | 23/10/2003 | 15/07/2004 | Dissolved |
| BAE SYSTEMS (DEFENCE SYSTEMS) LIMITED | 00236538 | 16/07/1998 | 28/09/1998 | Silver |
| BAE SYSTEMS (LAND AND SEA SYSTEMS) LIMITED | 02536912 | 24/04/1998 | 16/07/1998 | Silver |
| BAE SYSTEMS (LAND AND SEA SYSTEMS) LIMITED | 02536912 | 16/07/1998 | 28/09/1998 | Silver |
| CORDA LIMITED | 00770799 | 24/04/1998 | 28/09/1998 | Dissolved |
| Eurocombat Ltd | 03014676 | 24/04/1998 | 28/09/1998 | Dissolved |
| LOCKHEED MARTIN UK HOLDINGS LIMITED | 03184898 | 12/07/1999 | 24/03/2000 | Silver |
| Mott-Yard Ltd | 02163985 | 24/04/1998 | 28/09/1998 | Dissolved |
| SAFYRR PROPULSION LIMITED | 04213171 | 04/12/2002 | 30/09/2010 | Not Trading |
| YARD LIMITED | 02597103 | 24/04/1998 | 16/07/1998 | Dissolved |
| YARD LIMITED | 02597103 | 16/07/1998 | 28/09/1998 | Dissolved |