| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| NUCLEAR RESTORATION SERVICES LIMITED | 02264251 | 01/06/2024 | Silver |
| VYSUS GROUP HOLDINGS LIMITED | 12912998 | 31/10/2020 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AKER ENGINEERING & TECHNOLOGY LIMITED | 05391240 | 21/10/2015 | 23/07/2018 | Amber |
| AKER SOLUTIONS LIMITED | 04977339 | 03/11/2015 | 18/10/2018 | Bronze |
| ENERGY INDUSTRIES COUNCIL | 00493459 | 16/12/2021 | 04/12/2024 | Bronze |
| INTERACTIVE PETROPHYSICS LTD. | SC182198 | 31/03/2019 | 31/10/2020 | Not Trading |
| LLOYD'S REGISTER ALIGNED SERVICES LIMITED | SC318186 | 31/03/2019 | 31/10/2020 | Not Trading |
| LR 1760 (1) LIMITED | SC252441 | 31/03/2019 | 31/10/2020 | One Red Flag |
| LR 1760 (2) LIMITED | SC346964 | 31/03/2019 | 31/10/2020 | Silver |
| SENERGY OIL & GAS LIMITED | SC350041 | 31/03/2019 | 21/12/2022 | Bronze |
| SENERGY WELLS LIMITED | SC231439 | 31/03/2019 | 21/12/2022 | One Red Flag |
| THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED | 01119804 | 06/03/2018 | 07/11/2018 | Bronze |
| VYSUS (GB) LIMITED | SC125513 | 31/03/2019 | 10/05/2024 | One Red Flag |
| VYSUS HOLDINGS (UK) LIMITED | SC677766 | 16/10/2020 | 10/05/2024 | Silver |
| VYSUS LIMITED | SC273506 | 31/03/2019 | 10/05/2024 | Silver |
| VYSUS UK LIMITED | 07630518 | 02/03/2022 | 10/05/2024 | One Red Flag |