| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Acorn Ginko Ltd | 05517714 | 04/11/2005 | Dissolved |
| Horsley Hydrocarbons Services Ltd | 03386304 | 18/06/1997 | Dissolved |
| OMEGA POWER LIMITED | SC361785 | 11/07/2011 | Dissolved |
| TFK (SURREY) LIMITED | 07653042 | 31/05/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACORN NORTH SEA LIMITED | 04257334 | 23/07/2001 | 31/12/2008 | Dissolved |
| ACORN OIL & GAS LIMITED | 04132465 | 01/03/2001 | 31/12/2008 | Dissolved |
| FAIRFIELD BETULA LIMITED | 04465204 | 20/06/2002 | 29/10/2009 | One Red Flag |
| INEOS CLIPPER SOUTH B LIMITED | 04649606 | 28/01/2003 | 30/09/2009 | Bronze |
| INEOS CLIPPER SOUTH C LIMITED | 04967270 | 18/11/2003 | 29/10/2009 | Bronze |
| QUADRANT HYDROCARBONS LIMITED | 05461821 | 04/11/2005 | 03/07/2007 | Dissolved |