| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HALLIBURTON HOLDINGS (NO.4) LIMITED | SC342425 | 02/06/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BAROID CORPORATION | 01640428 | 30/06/2008 | 01/07/2009 | Dissolved |
| BAROID LIMITED | 00843209 | 30/06/2008 | 01/07/2009 | Dissolved |
| BUE SHIPS LIMITED | 01525618 | 30/06/2008 | 01/07/2009 | Gold |
| GROVE - TK | 01129999 | 30/06/2008 | 01/07/2009 | Strike Off |
| Gearhart (United Kingdom) | SC074679 | 30/06/2008 | 01/07/2009 | Dissolved |
| HALLIBURTON ENERGY SERVICES LIMITED | SC231879 | 30/06/2008 | 01/07/2009 | Dissolved |
| HALLIBURTON HOLDINGS (NO. 3) | SC231927 | 30/06/2008 | 01/07/2009 | Dissolved |
| HALLIBURTON HOLDINGS (NO.4) LIMITED | SC342425 | 06/05/2008 | 01/07/2009 | Dissolved |
| HALLIBURTON LIMITED | 00978424 | 30/06/2008 | 01/07/2009 | Gold |
| HALLIBURTON MANAGEMENT LIMITED | SC232078 | 30/06/2008 | 01/07/2009 | Bronze |
| HALLIBURTON MANUFACTURING AND SERVICES LIMITED | 00611451 | 30/06/2008 | 01/07/2009 | Silver |
| HML TRUSTEES LIMITED | SC244164 | 30/06/2008 | 01/07/2009 | Not Trading |
| MEDITERRANEAN ENERGY SERVICES LIMITED | SC232077 | 30/06/2008 | 01/07/2009 | Silver |
| OSCR 60695 LIMITED | 03002262 | 30/06/2008 | 01/07/2009 | Dissolved |
| PETROLEUM ENGINEERING SERVICES LIMITED | SC050835 | 30/06/2008 | 01/07/2009 | Dissolved |
| PETROLEUM MANUFACTURING SERVICES LIMITED | SC111835 | 05/01/2009 | 01/07/2009 | Dissolved |
| PSL ENERGY SERVICES HOLDINGS LIMITED | SC285264 | 30/06/2008 | 01/07/2009 | Dissolved |
| PSL ENERGY SERVICES LIMITED | SC243706 | 30/06/2008 | 01/07/2009 | Silver |
| ROCKWATER HOLDINGS LIMITED | 01535559 | 30/06/2008 | 01/07/2009 | Dissolved |
| ROCKWATER LIMITED | 01268625 | 30/06/2008 | 01/07/2009 | Dissolved |
| SUB SEA OFFSHORE (HOLDINGS) LIMITED | 01724943 | 30/06/2008 | 01/07/2009 | Dissolved |
| SUB SEA OFFSHORE LIMITED | 01385206 | 30/06/2008 | 01/07/2009 | Gold |
| TECHSOURCE RECRUITMENT LIMITED | SC276721 | 30/06/2008 | 01/07/2009 | Dissolved |
| TESEL HOLDINGS | 01383195 | 30/06/2008 | 01/07/2009 | Dissolved |
| WELLDYNAMICS INTERNATIONAL LIMITED | SC145181 | 05/01/2009 | 01/07/2009 | Silver |
| WLTD LIMITED | 00196631 | 30/06/2008 | 01/07/2009 | Dissolved |