| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Aoc Technical Services Ltd | SC148738 | 30/11/2004 | Dissolved |
| Aoc Turbine Services Ltd | SC158094 | 30/11/2004 | Dissolved |
| Aoci New Ltd | SC157558 | 30/11/2004 | Dissolved |
| BROWN & ROOT AOC LIMITED | SC155097 | 30/11/2004 | Dissolved |
| GRANHERNE INFORMATION SYSTEMS LIMITED | 02867018 | 01/09/2003 | Dissolved |
| Gva International Ltd | 00960753 | 23/02/2004 | Dissolved |
| Kellogg Brown & Root (E&c) Ltd | 05824737 | 22/05/2006 | Dissolved |
| Kellogg Brown & Root - Snamprogetti Ltd | 05101249 | 14/04/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AOC INTERNATIONAL LIMITED | SC061239 | 23/11/2004 | 26/10/2012 | Amber |
| BROWN & ROOT HIGHLANDS FABRICATORS LIMITED | SC049650 | 23/02/2004 | 26/10/2012 | Not Trading |
| BROWN & ROOT, BOOZ-ALLEN LIMITED | 02736070 | 18/08/2000 | 02/09/2005 | Dissolved |
| BUCHAN FABRICATIONS LIMITED | SC053927 | 30/11/2004 | 14/04/2008 | Dissolved |
| GRANHERNE INTERNATIONAL (HOLDINGS) LIMITED | 02820915 | 30/11/2004 | 26/10/2012 | Dissolved |
| GRANHERNE LIMITED | 01498189 | 01/09/2003 | 26/10/2012 | Not Trading |
| KBR CONSTRUCTION LIMITED | 02250876 | 26/02/2004 | 05/04/2005 | Dissolved |
| KELLOGG BROWN & ROOT ENERGY SERVICES LIMITED | 03092040 | 01/09/2003 | 26/10/2012 | Dissolved |
| KELLOGG BROWN & ROOT OVERSEAS LIMITED | 04026687 | 23/11/2004 | 26/10/2012 | One Red Flag |
| KELLOGG BROWN & ROOT PROJECTS LIMITED | 01849064 | 18/08/2000 | 26/10/2012 | Bronze |
| KELLOGG BROWN & ROOT QATAR LIMITED | 02820912 | 01/09/2003 | 26/10/2012 | Dissolved |
| KELLOGG BROWN & ROOT SUSTAINABLE TECHNOLOGY SOLUTIONS LIMITED | 02035186 | 18/08/2000 | 26/10/2012 | Bronze |
| OVERSEAS SUPPLY SERVICES LIMITED | 01865842 | 11/01/2005 | 02/09/2005 | Bronze |
| PRODUCTION SERVICES NETWORK BANGLADESH LIMITED | 02214332 | 30/11/2004 | 30/04/2006 | Not Trading |