| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Hymatic Clamps International Ltd | 01327406 | 20/06/1991 | Dissolved |
| Leading Events Ltd | 03303144 | 01/01/2003 | Dissolved |
| W.E.S. (Fabrications) Ltd | 01582104 | 20/06/1991 | Dissolved |
| W.E.S. Group Limited | 02310251 | 20/06/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIR PRECISION LIMITED | 00863303 | 20/06/1991 | 27/07/2003 | Dissolved |
| AIRDATA LIMITED | 02036650 | 27/02/1992 | 25/03/1991 | Dissolved |
| BRITANNIA REFINED METALS LIMITED | 00252455 | 18/10/1991 | 30/09/1995 | Gold |
| COBHAM AEROSPACE LIMITED | 01613711 | 20/06/1992 | 27/07/2003 | Dissolved |
| COBHAM COMMS LIMITED | 00430582 | 20/06/1992 | 27/07/2003 | Dissolved |
| COBHAM GROUP LIMITED | 01126183 | 20/06/1991 | 27/07/2003 | Dissolved |
| COBHAM LIMITED | 00030470 | 12/07/1992 | 27/07/2003 | Gold |
| COBHAM QUEST TRUSTEE LIMITED | 01171251 | 20/06/1992 | 19/12/2001 | Dissolved |
| CORPORATE AIR SPARES LIMITED | 01853424 | 20/06/1991 | 01/04/2001 | Dissolved |
| DRAKEN INTERNATIONAL LIMITED | 01853419 | 20/06/1991 | 06/01/1994 | Insolvent |
| DRAKEN LEASING LIMITED | 02941915 | 20/09/1996 | 01/04/2001 | Amber |
| EATON AEROSPACE LIMITED | 00896075 | 24/06/1994 | 25/10/2000 | Dissolved |
| EST DEFENCE COMPANY UK LIMITED | 00675623 | 18/08/1997 | 27/07/2003 | Not Trading |
| FLIGHT REFUELLING TARGETS LIMITED | 00894176 | 18/08/1997 | 27/07/2003 | Dissolved |
| FR AVIATION GROUP LIMITED | 01853422 | 20/06/1992 | 27/07/2003 | Insolvent |
| FR AVIATION LIMITED | 00845310 | 20/06/1991 | 01/07/2002 | Silver |
| FR AVIATION SERVICES LIMITED | 01861144 | 20/06/1991 | 21/06/1994 | Insolvent |
| HYMATIC TECHNOLOGIES LIMITED | 00588786 | 20/06/1991 | 19/03/1998 | Dissolved |
| LOCKMAN ELECTRONIC HOLDINGS LIMITED | 01672274 | 20/06/1992 | 27/07/2003 | Insolvent |
| LOCKMAN INVESTMENTS LIMITED | 00675211 | 20/06/1991 | 27/07/2003 | Silver |
| MISSION SYSTEMS WIMBORNE LIMITED | 00293529 | 20/06/1992 | 27/07/2003 | Gold |
| MOUNT ISA HOLDINGS (UK) LIMITED | 01953498 | 18/10/1991 | 30/09/1995 | Dissolved |
| MULTIPHASE PUMPING SYSTEMS LIMITED | 00399816 | 23/06/1994 | 27/07/2003 | Dissolved |
| STRABOR (AIRCRAFT) LIMITED | 00569491 | 24/06/1994 | 27/07/2003 | Dissolved |
| STRATEGIC TANKER SERVICES LIMITED | 00999841 | 20/06/1992 | 27/07/2003 | Dissolved |
| THE HYMATIC ENGINEERING COMPANY LIMITED | 00331969 | 20/06/1992 | 19/03/1998 | Bronze |
| VULCAN TO THE SKY TRUST | 04478686 | 22/01/2004 | 29/10/2006 | Amber |
| W.E.S. (MANUFACTURING) LIMITED | 01760052 | 20/06/1992 | 27/07/2003 | Dissolved |
| WESTWIND AIR BEARINGS | 02811656 | 11/12/1995 | 27/07/2003 | Dissolved |