| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CAMERON FLOW CONTROL TECHNOLOGY (UK) LIMITED | 08379585 | 28/06/2024 | Silver |
| CAMERON PETROLEUM (UK) LIMITED | 04589882 | 28/06/2024 | Silver |
| CAMERON PETROLEUM INVESTMENTS LIMITED | 04550385 | 28/06/2024 | Gold |
| PEAK WELL SYSTEMS LIMITED | SC337516 | 28/06/2024 | One Red Flag |
| PETRECO INTERNATIONAL (MIDDLE EAST) LIMITED | 03485833 | 01/07/2024 | Bronze |
| SCHLUMBERGER CAMBRIDGE RESEARCH LIMITED | 00606177 | 28/06/2024 | Gold |
| SCHLUMBERGER OILFIELD UK LIMITED | 04157867 | 28/06/2024 | Bronze |
| SCHLUMBERGER PUBLIC LIMITED COMPANY | 01332348 | 28/06/2024 | Amber |
| SCHLUMBERGER UK HOLDINGS LIMITED | 01686572 | 28/06/2024 | Gold |
| SCHLUMBERGER UK LIMITED | 07373289 | 28/06/2024 | Silver |
| ZILIFT HOLDINGS LIMITED | SC445696 | 28/06/2024 | One Red Flag |
| ZILIFT LIMITED | SC360024 | 28/06/2024 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|