| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Cougar Oil Ltd | 02465707 | 31/01/1991 | Dissolved |
| Cougar Oil Ltd | 02465707 | 31/01/1991 | Dissolved |
| Crewfile Ltd | 03358039 | 14/05/1997 | Dissolved |
| Crewfile Ltd | 03358039 | 14/05/1997 | Dissolved |
| Envirocare Resource Management Ltd | 03143840 | 03/01/2004 | Dissolved |
| Global M & E Services Ltd | 03773853 | 10/06/1999 | Dissolved |
| LEMAN OIL & GAS LIMITED | 09588150 | 13/05/2015 | Strike Off |
| London Gas Marketing Limited | 02716099 | 14/05/1992 | Dissolved |
| Vanguard Fps Ltd | 06739517 | 03/11/2008 | Dissolved |
| Vanguard Oil & Gas Developments Ltd | 05046236 | 18/02/2004 | Dissolved |
| Vanguard Oil & Gas Developments Ltd | 05046236 | 18/02/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALKANE ENERGY LIMITED | 02966946 | 12/09/1994 | 20/05/1995 | Silver |
| BLACK LION RESOURCES PLC | 07153526 | 10/02/2010 | 31/08/2013 | Dissolved |
| CLEAN TECH ASSETS LIMITED | 02398784 | 29/04/2002 | 19/05/2003 | Dissolved |
| Cornhill Commercial Services Ltd | 03281472 | 22/11/1996 | 24/06/1997 | Dissolved |
| LAURASIA RESOURCES LTD | 04226263 | 28/04/2003 | 11/02/2004 | Dissolved |
| LONDON OIL & GAS LIMITED | 09734575 | 17/11/2015 | 31/10/2017 | Insolvent |
| LONDON POWER MANAGEMENT LIMITED | 02504629 | 22/05/1991 | 28/08/2015 | Insolvent |
| LONDON POWER MANAGEMENT LIMITED | 02504629 | 22/05/1991 | 28/08/2015 | Insolvent |
| Louisiana Oil & Gas P L C | 05080020 | 28/04/2006 | 18/01/2008 | Dissolved |
| PERENCO ENERGIES INTERNATIONAL LIMITED | SC061143 | 26/07/1988 | 22/03/1989 | Bronze |
| Sunade Ltd | 01963228 | 13/12/1995 | 24/06/1997 | Dissolved |
| Tom Day International Services Ltd | 02907793 | 10/10/1994 | 09/12/1995 | Dissolved |