| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BAROID CORPORATION | 01640428 | 28/02/2020 | Dissolved |
| BAROID LIMITED | 00843209 | 28/02/2020 | Dissolved |
| HALLIBURTON ENERGY SERVICES LIMITED | SC231879 | 28/02/2020 | Dissolved |
| HALLIBURTON HOLDINGS (NO. 3) | SC231927 | 28/02/2020 | Dissolved |
| MULTI-CHEM PRODUCTION CHEMICALS (UK) LIMITED | SC308016 | 28/02/2020 | Dissolved |
| PETROLEUM ENGINEERING SERVICES LIMITED | SC050835 | 28/02/2020 | Dissolved |
| PSL ENERGY SERVICES HOLDINGS LIMITED | SC285264 | 28/02/2020 | Dissolved |
| ROCKWATER HOLDINGS LIMITED | 01535559 | 28/02/2020 | Dissolved |
| ROCKWATER LIMITED | 01268625 | 28/02/2020 | Dissolved |
| SUB SEA OFFSHORE (HOLDINGS) LIMITED | 01724943 | 28/02/2020 | Dissolved |
| TECHSOURCE RECRUITMENT LIMITED | SC276721 | 28/02/2020 | Dissolved |
| WLTD LIMITED | 00196631 | 28/02/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BUE SHIPS LIMITED | 01525618 | 28/02/2020 | 13/06/2024 | Silver |
| HALLIBURTON LIMITED | 00978424 | 28/02/2020 | 13/06/2024 | Silver |
| HALLIBURTON MANAGEMENT LIMITED | SC232078 | 28/02/2020 | 13/06/2024 | Bronze |
| MEDITERRANEAN ENERGY SERVICES LIMITED | SC232077 | 28/02/2020 | 13/06/2024 | Bronze |
| SUB SEA OFFSHORE LIMITED | 01385206 | 28/02/2020 | 13/06/2024 | Silver |
| WELLDYNAMICS INTERNATIONAL LIMITED | SC145181 | 28/02/2020 | 13/06/2024 | Silver |