| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CLEAN COAL ENERGY LIMITED | 05505639 | 21/10/2005 | Dissolved |
| EAST COAST ENERGY LIMITED | 05741034 | 15/02/2008 | Dissolved |
| Green Carbonation Plc | 06336635 | 16/11/2007 | Dissolved |
| UFO MEDICARE LIMITED | 06343009 | 16/11/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AFRICA OIL EXPLORATION LTD | 07847435 | 02/10/2012 | 05/06/2014 | Dissolved |
| ARTEMIS ENERGY PLC | 05303736 | 23/11/2007 | 31/03/2009 | Dissolved |
| BOMU LLP | OC392649 | 14/04/2014 | 02/03/2015 | Bronze |
| CLEAN COAL AMASRA LIMITED | 07168013 | 01/07/2010 | 06/04/2011 | Dissolved |
| CLEAN COAL ENERGY LIMITED | 05505639 | 11/09/2006 | 25/01/2008 | Dissolved |
| MIN-Y-DON CONSULTING LTD | 04859949 | 04/07/2008 | 17/04/2009 | Dissolved |
| PROJECT LEADERS INTERNATIONAL LIMITED | 04476729 | 01/10/2002 | 17/11/2007 | Silver |
| STOCKVAL HOLDINGS LIMITED | 04328957 | 04/06/2007 | 30/07/2008 | Silver |
| TP GROUP LIMITED | 03152034 | 21/04/2010 | 30/09/2014 | Silver |
| TULLOW OIL PLC | 03919249 | 03/05/2000 | 31/12/2007 | Silver |
| UCG ENGINEERING LTD | 05202209 | 26/05/2007 | 09/05/2008 | Dissolved |