| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| H.M.HOBSON LIMITED | 00304519 | 28/02/2003 | Insolvent |
| LITTON WORLDWIDE SERVICES, INC. | FC018728 | 03/04/2001 | Dissolved |
| Trw Aeronautical Controls Ltd | 01337366 | 28/02/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| LITTON U.K. LIMITED | 02830182 | 09/07/2001 | 01/03/2006 | Dissolved |
| NGC UK LIMITED | 03158819 | 03/04/2000 | 01/11/2005 | Silver |
| NORTHROP GRUMMAN GLOBAL HOLDINGS LIMITED | 03814152 | 28/02/2003 | 30/04/2006 | Bronze |
| NORTHROP GRUMMAN PROPERTIES LIMITED | 00870199 | 28/02/2003 | 30/04/2006 | Silver |
| NORTHROP GRUMMAN SPERRY MARINE LIMITED | 03879775 | 09/07/2001 | 17/11/2005 | Dissolved |
| RICHMOND TAUK LTD | 03706128 | 28/02/2003 | 30/04/2006 | Amber |
| SPERRY MARINE B.V. | FC020139 | 30/04/2001 | 01/11/2005 | Silver |
| TEC ELECTRICAL COMPONENTS LIMITED | 00901923 | 23/07/2001 | 31/01/2003 | Dissolved |
| Trw Aeronautical Systems Ltd | 03610063 | 28/02/2003 | 30/04/2006 | Dissolved |
| XYLEM WATER SOLUTIONS RUGBY LIMITED | 02755486 | 23/07/2001 | 31/01/2003 | One Red Flag |