| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AXSIA HOWMAR LIMITED | 00961792 | 28/08/2013 | Dissolved |
| CAMERON PRODUCTS LIMITED | 02106584 | 28/08/2013 | Dissolved |
| CAMERON TECHNOLOGIES UK LIMITED | 03440964 | 28/08/2013 | Dissolved |
| INTERNATIONAL VALVES LIMITED | 02561616 | 28/08/2013 | Dissolved |
| JISKOOT LIMITED | 01834943 | 28/08/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AXSIA HOLDINGS UNLIMITED | 04150927 | 28/08/2013 | 03/11/2019 | Amber |
| CAMERON FLOW CONTROL SERVICES (UK) LIMITED | 08379586 | 28/08/2013 | 03/11/2019 | Dissolved |
| CAMERON FLOW CONTROL TECHNOLOGY (UK) LIMITED | 08379585 | 28/08/2013 | 03/11/2019 | Silver |
| CAMERON INDUSTRIES UNLIMITED | 07293147 | 28/08/2013 | 03/11/2019 | One Red Flag |
| CAMERON PETROLEUM (UK) LIMITED | 04589882 | 28/08/2013 | 03/11/2019 | Silver |
| CAMERON PETROLEUM INVESTMENTS LIMITED | 04550385 | 28/08/2013 | 03/11/2019 | Gold |
| CAMERON SYSTEMS LIMITED | 04291991 | 28/08/2013 | 03/11/2019 | Amber |
| JISKOOT HOLDINGS UNLIMITED | 00692441 | 28/08/2013 | 03/11/2019 | Amber |
| ONESUBSEA HOLDING LIMITED | FC031295 | 11/04/2013 | 23/01/2020 | Dissolved |
| ONESUBSEA INVESTMENTS UK LIMITED | 08431671 | 06/03/2013 | 03/11/2019 | One Red Flag |
| ONESUBSEA IP UK LIMITED | 08432197 | 06/03/2013 | 03/11/2019 | Bronze |
| ONESUBSEA OFFSHORE ENGINEERING LIMITED | 02107702 | 28/08/2013 | 03/11/2019 | Bronze |
| ONESUBSEA OPERATIONS LIMITED | SC226359 | 28/08/2013 | 03/11/2019 | Bronze |
| ONESUBSEA UK LIMITED | 00400176 | 28/08/2013 | 03/11/2019 | Gold |
| PETRECO INTERNATIONAL (MIDDLE EAST) LIMITED | 03485833 | 28/08/2013 | 03/11/2019 | Bronze |