| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALEDONIA EUROPE RESOURCES | 03568322 | 01/01/2008 | Dissolved |
| CALEDONIA OFFSHORE DEVELOPMENT LIMITED | 02042719 | 01/01/2008 | Dissolved |
| Caledonia Europe Hydrocarbons | 03568440 | 01/01/2008 | Dissolved |
| E.On Ruhrgas Uk Holding Ltd | 03722631 | 01/01/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| E.ON RUHRGAS UK CAISTER LIMITED | 03883559 | 01/01/2008 | 12/11/2009 | Dissolved |
| E.ON RUHRGAS UK NORTH SEA LIMITED | SC240197 | 01/01/2008 | 09/09/2010 | Dissolved |
| E.On Ruhrgas Uk Median Ltd | 03974196 | 01/01/2008 | 12/11/2009 | Dissolved |
| PREMIER OIL E&P UK ENERGY TRADING LIMITED | 04103928 | 01/01/2008 | 31/08/2012 | Dissolved |
| PREMIER OIL E&P UK EU LIMITED | 02907493 | 01/01/2008 | 31/08/2012 | Amber |
| PREMIER OIL E&P UK LIMITED | 02761032 | 01/01/2008 | 31/08/2012 | Gold |