| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ASPIRE DEFENCE FINANCE PLC | 05700404 | 28/11/2006 | 07/04/2008 | Bronze |
| ASPIRE DEFENCE HOLDINGS LIMITED | 04730885 | 28/11/2006 | 07/04/2008 | Silver |
| ASPIRE DEFENCE LIMITED | 05572542 | 28/11/2006 | 07/04/2008 | Bronze |
| ASPIRE DEFENCE SERVICES LIMITED | 04556471 | 04/08/2005 | 07/04/2008 | Silver |
| ASSET CHECKER LIMITED | 05455191 | 08/06/2006 | 31/03/2008 | Dissolved |
| BROWN & ROOT EALING TECHNICAL SERVICES LIMITED | 01179643 | 30/06/2005 | 07/04/2008 | Dissolved |
| Fastex Defence Services Ltd | 03393373 | 30/06/2005 | 07/04/2008 | Dissolved |
| HOWARD HUMPHREYS & PARTNERS LIMITED | 00629272 | 30/06/2005 | 07/04/2008 | Dissolved |
| Howard Humphreys Group Ltd | 00664287 | 30/06/2005 | 07/04/2008 | Dissolved |
| Howard Humphreys Ltd | 01123869 | 30/06/2005 | 07/04/2008 | Dissolved |
| KBR (ASPIRE CONSTRUCTION) HOLDINGS LIMITED | 05704207 | 09/02/2006 | 07/04/2008 | Amber |
| KBR (ASPIRE CONSTRUCTION) HOLDINGS NO.2 LIMITED | 05704092 | 09/02/2006 | 07/04/2008 | Amber |
| KBR (ASPIRE CONSTRUCTION) LIMITED | 05704158 | 09/02/2006 | 07/04/2008 | Silver |
| KBR (ASPIRE SERVICES) HOLDINGS LIMITED | 05704152 | 09/02/2006 | 07/04/2008 | Amber |
| KBR (ASPIRE SERVICES) HOLDINGS NO. 2 LIMITED | 05704122 | 09/02/2006 | 07/04/2008 | Amber |
| KBR (ASPIRE SERVICES) LIMITED | 05704218 | 09/02/2006 | 07/04/2008 | Bronze |
| KELLOGG BROWN & ROOT (U.K.) LIMITED | 02021947 | 30/06/2005 | 07/04/2008 | Amber |
| KELLOGG BROWN & ROOT LIMITED | 00645125 | 30/06/2005 | 07/04/2008 | Gold |
| KELLOGG BROWN & ROOT OVERSEAS PROJECTS LIMITED | 02050649 | 30/06/2005 | 07/04/2008 | Amber |
| Kellogg Brown & Root (Employment) Ltd | 01354330 | 30/06/2005 | 07/04/2008 | Dissolved |
| THE BUSINESS SERVICES ASSOCIATION | 02834529 | 01/06/2006 | 01/05/2007 | Bronze |