| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BERYL NORTH SEA LIMITED | FC030632 | 01/10/2018 | 31/03/2020 | Bronze |
| BG GREAT BRITAIN LIMITED | 00909162 | 12/02/2018 | 31/03/2020 | Amber |
| BG NORGE LIMITED | 05028627 | 12/02/2018 | 31/03/2020 | Dissolved |
| BG NORTH SEA HOLDINGS LIMITED | 02383911 | 12/02/2018 | 31/03/2020 | Silver |
| ENTERPRISE OIL LIMITED | 01682048 | 12/02/2018 | 31/03/2020 | Gold |
| ENTERPRISE OIL MIDDLE EAST LIMITED | 02650009 | 12/02/2018 | 31/03/2020 | Gold |
| ENTERPRISE OIL U.K. LIMITED | 02290358 | 12/02/2018 | 31/03/2020 | Bronze |
| MURPHY SCHIEHALLION LIMITED | 07944011 | 01/10/2018 | 31/03/2020 | Not Trading |
| SAXON OIL LIMITED | 01477686 | 12/02/2018 | 31/03/2020 | Not Trading |
| SAXON OIL MILLER LIMITED | 03209823 | 12/02/2018 | 31/03/2020 | Not Trading |
| SCHIEHALLION OIL & GAS LIMITED | FC030727 | 01/10/2018 | 31/03/2020 | One Red Flag |
| SHELL CLAIR UK LIMITED | 07108515 | 12/02/2018 | 31/03/2020 | Silver |
| SHELL EP OFFSHORE VENTURES LIMITED | 01682052 | 12/02/2018 | 31/03/2020 | Gold |
| SHELL NORTH SEA HOLDINGS LIMITED | FC029155 | 12/02/2018 | 31/03/2020 | One Red Flag |
| SHELL U.K. NORTH ATLANTIC LIMITED | 04801731 | 12/02/2018 | 31/03/2020 | Silver |
| SHELL UPSTREAM OVERSEAS SERVICES (I) LIMITED | 07657243 | 12/02/2018 | 31/03/2020 | Silver |