| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GLOBALSANTAFE C.R. LUIGS LIMITED | 03653606 | 01/07/2008 | 26/04/2010 | Dissolved |
| GLOBALSANTAFE DRILLING COMPANY (NORTH SEA) LIMITED | 00782373 | 01/07/2008 | 26/04/2010 | Dissolved |
| GLOBALSANTAFE DRILLING COMPANY (OVERSEAS) LIMITED | 03547849 | 01/07/2008 | 26/04/2010 | Dissolved |
| GLOBALSANTAFE DRILLING SERVICES (NORTH SEA) LIMITED | 03914225 | 01/07/2008 | 26/04/2010 | Dissolved |
| GLOBALSANTAFE HOLDING COMPANY (NORTH SEA) LIMITED | 03047534 | 01/07/2008 | 26/04/2010 | Dissolved |
| GLOBALSANTAFE TECHSERV (NORTH SEA) LIMITED | 03047538 | 01/07/2008 | 26/04/2010 | Dissolved |
| PALOAK LIMITED | SC069075 | 23/08/2007 | 05/01/2009 | One Red Flag |
| R & B FALCON DEEPWATER (UK) LIMITED | 03900915 | 10/03/2001 | 01/07/2008 | Dissolved |
| R & B FALCON DEEPWATER (UK) LIMITED | 03900915 | 14/12/2007 | 26/04/2010 | Dissolved |
| R&B FALCON (CALEDONIA) LIMITED | 01591065 | 23/10/2007 | 26/04/2010 | Amber |
| R&B FALCON (U.K.) LIMITED | 01731764 | 23/10/2007 | 26/04/2010 | Amber |
| SANTA FE DRILLING COMPANY (U.K.) LIMITED | 00595690 | 01/07/2008 | 26/04/2010 | Dissolved |
| SDS OFFSHORE LIMITED | 01822670 | 15/08/2006 | 01/07/2008 | Dissolved |
| SDS OFFSHORE LIMITED | 01822670 | 23/10/2007 | 26/04/2010 | Dissolved |
| TRANSOCEAN DRILLING LIMITED | SC129333 | 15/08/2006 | 01/07/2008 | Dissolved |
| TRANSOCEAN DRILLING LIMITED | SC129333 | 14/12/2007 | 26/04/2010 | Dissolved |
| TRANSOCEAN DRILLING U.K. LIMITED | SC131375 | 01/07/2008 | 26/04/2010 | One Red Flag |
| TRANSOCEAN INVESTMENTS S.A.R.L. | SF000966 | 20/02/2006 | 31/01/2016 | Bronze |
| TRANSOCEAN OFFSHORE DRILLING LIMITED | 02571878 | 01/01/2001 | 01/07/2008 | Dissolved |
| TRANSOCEAN OFFSHORE DRILLING LIMITED | 02571878 | 14/12/2007 | 26/04/2010 | Dissolved |
| TRANSOCEAN ONSHORE SUPPORT SERVICES LIMITED | SC217020 | 01/07/2008 | 26/04/2010 | Silver |
| TRANSOCEAN SERVICES UK LIMITED | 02506922 | 15/08/2006 | 01/07/2008 | Dissolved |
| TRANSOCEAN SERVICES UK LIMITED | 02506922 | 23/10/2007 | 26/04/2010 | Dissolved |
| TRANSOCEAN UK LIMITED | 04017574 | 10/03/2004 | 01/06/2008 | Bronze |
| TRANSOCEAN UK LIMITED | 04017574 | 23/10/2007 | 26/04/2010 | Bronze |
| TRITON PACIFIC LIMITED | 06038076 | 13/03/2007 | 01/07/2008 | Dissolved |
| TRITON PACIFIC LIMITED | 06038076 | 13/03/2007 | 26/04/2010 | Dissolved |
| WILRIG OFFSHORE (UK) LIMITED | 01913362 | 15/08/2006 | 01/07/2008 | Dissolved |
| WILRIG OFFSHORE (UK) LIMITED | 01913362 | 23/10/2007 | 26/04/2010 | Dissolved |