| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bawden Drilling (U K) Ltd | 01162712 | 28/03/1992 | Dissolved |
| NOBLE CORPORATION (UK SHELF) LIMITED | 08617263 | 22/08/2013 | Dissolved |
| Nedstaff Europe Ltd | 02460816 | 01/01/1997 | Dissolved |
| Nedstaff Europe Ltd | 02460816 | 23/04/1998 | Dissolved |
| Noble Offshore Services Ltd | SC121522 | 20/03/1991 | Dissolved |
| Rigquip Ltd | SC128349 | 03/10/1995 | Dissolved |
| Rigquip Ltd | SC128349 | 03/10/1995 | Dissolved |
| Triton International (Europe) Ltd | SC170358 | 29/12/2000 | Dissolved |
| Triton International (Europe) Ltd | SC170358 | 22/02/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BORR DRILLING LAND SUPPORT LIMITED | SC459415 | 18/09/2013 | 18/08/2014 | Silver |
| Drilling and Production Training Association Ltd | SC129413 | 16/10/1991 | 23/03/1994 | Dissolved |
| NOBLE (SERVCO) UK LIMITED | 08354957 | 24/06/2013 | 14/01/2014 | Dissolved |
| NOBLE DRILLING (LAND SUPPORT) LIMITED | SC118867 | 20/03/1991 | 30/09/2016 | One Red Flag |
| NOBLE DRILLING (LAND SUPPORT) LIMITED | SC118867 | 26/05/1997 | 30/09/2016 | One Red Flag |
| NOBLE DRILLING (N.S.) LIMITED | SC195324 | 05/05/1999 | 30/09/2016 | Dissolved |
| NOBLE DRILLING (N.S.) LIMITED | SC195324 | 27/10/1999 | 30/09/2016 | Dissolved |
| NOBLE HOLDING UK LIMITED | 09510250 | 26/02/2016 | 30/09/2016 | Dissolved |
| PALOAK LIMITED | SC069075 | 12/05/2003 | 04/05/2005 | One Red Flag |
| SEAWELL DRILLING LIMITED | SC134920 | 25/11/1991 | 08/04/2008 | Dissolved |
| SEAWELL DRILLING LIMITED | SC134920 | 27/06/1997 | 08/04/2008 | Dissolved |