| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENERGY AFRICA UK LIMITED | 02592792 | 18/11/2004 | 18/09/2008 | Dissolved |
| ENI HEWETT LIMITED | SC090159 | 29/08/2000 | 31/03/2008 | Silver |
| ENI HEWETT LIMITED | SC090159 | 29/08/2000 | 18/09/2008 | Silver |
| ENQUEST ENERGY LIMITED | 01019698 | 18/11/2004 | 08/06/2005 | Not Trading |
| ENQUEST PRODUCTION LIMITED | 01019831 | 18/11/2004 | 08/06/2005 | Not Trading |
| GENERAL MINING UNION CORPORATION (UK) LIMITED | 00738594 | 18/11/2004 | 18/09/2008 | Dissolved |
| PLANET OIL INTERNATIONAL LIMITED | 03589112 | 10/01/2007 | 18/09/2008 | Dissolved |
| PLANET OIL LIMITED | 03460558 | 10/01/2007 | 18/09/2008 | Strike Off |
| SPIRIT ENERGY NORTH SEA LIMITED | 04594558 | 10/06/2003 | 26/10/2004 | Silver |
| SPIRIT ENERGY NORTH SEA LIMITED | 04594558 | 10/06/2003 | 26/10/2004 | Silver |
| THIRD ENERGY UK GAS LIMITED | 01421481 | 16/02/2001 | 28/11/2003 | One Red Flag |
| THIRD ENERGY UK GAS LIMITED | 01421481 | 16/02/2001 | 28/11/2003 | One Red Flag |
| TULLOW GROUP SERVICES LIMITED | 05660209 | 26/01/2006 | 18/09/2008 | Amber |
| TULLOW OIL PLC | 03919249 | 03/05/2000 | 04/03/2008 | Silver |
| TULLOW OIL PLC | 03919249 | 03/05/2000 | 01/09/2008 | Silver |
| TULLOW OIL SK LIMITED | 05287330 | 13/12/2004 | 18/09/2008 | Amber |
| TULLOW OIL SNS LIMITED | 05064884 | 12/03/2004 | 31/03/2008 | Dissolved |
| TULLOW OIL SNS LIMITED | 05064884 | 12/03/2004 | 18/09/2008 | Dissolved |
| TULLOW OIL SPE LIMITED | 04609980 | 04/03/2003 | 31/03/2008 | Gold |
| TULLOW OIL SPE LIMITED | 04609980 | 04/03/2003 | 18/09/2008 | Gold |
| UNITRUST HOLDINGS LIMITED | 02623193 | 18/11/2004 | 18/09/2008 | Dissolved |