| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| DIAMOND OFFSHORE ENTERPRISES LIMITED | 06747036 | 04/09/2024 | Amber |
| DIAMOND OFFSHORE LIMITED | 00943475 | 04/09/2024 | Bronze |
| DIAMOND RIG INVESTMENTS LIMITED | 06772372 | 04/09/2024 | Bronze |
| NOBLE CORPORATION 2022 LIMITED | 12952291 | 05/10/2022 | Amber |
| NOBLE DRILLING (LAND SUPPORT) LIMITED | SC118867 | 04/10/2022 | Bronze |
| NOBLE DRILLING UK LTD | 07672698 | 03/10/2022 | Bronze |
| NOBLE HIGHLANDER UK LTD | 10195411 | 23/10/2024 | Bronze |
| NOBLE HOLDING LAND SUPPORT LIMITED | 10535699 | 05/10/2022 | Silver |
| NOBLE NDUS HOLDINGS UK LIMITED | 14437164 | 24/10/2022 | Silver |
| NOBLE NDUS UK LEASING LIMITED | 14531981 | 09/12/2022 | Bronze |
| NOBLE NDUS UK LTD | 14343037 | 07/09/2022 | Silver |
| NOBLE NEC HOLDINGS LIMITED | 12359801 | 05/10/2022 | One Red Flag |
| NOBLE OFFSHORE DRILLING (UK) LTD | 02767959 | 04/09/2024 | One Red Flag |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|