| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COASTAL OIL AND GAS LIMITED | 03440732 | 14/05/2002 | One Red Flag |
| LOCAL ENERGY SUPPLY SYSTEMS LIMITED | 06800265 | 23/01/2009 | Amber |
| NEWTON BEACH DEVELOPMENT COMPANY LIMITED | 06467509 | 08/01/2008 | Silver |
| SOUTH WALES GAS LIMITED | 03443588 | 16/10/2003 | Amber |
| ST. JOHN`S VISION LIMITED | 04855469 | 04/08/2003 | One Red Flag |
| TECHNOLEG LIMITED | 03417041 | 16/10/2003 | Gold |
| THISTLE GAS LIMITED | 03411863 | 16/10/2003 | One Red Flag |
| TOPEX LIMITED | 05554391 | 05/09/2005 | One Red Flag |
| TRANSGAS LIMITED | 03440201 | 16/10/2003 | One Red Flag |
| U.K. GAS LIMITED | 02648117 | 01/03/2002 | Amber |
| U.K. METHANE LIMITED | 03452019 | 30/07/2002 | One Red Flag |
| UK ONSHORE GAS LIMITED | 03040791 | 14/05/2002 | One Red Flag |
| UK WATER SUPPLIES LIMITED | 03464228 | 16/10/2003 | Amber |
| UK WIND ENERGY LIMITED | 02648102 | 16/10/2003 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABBEY MINE LIMITED | 05303498 | 03/12/2004 | 10/07/2009 | Insolvent |
| CENTRECLEAR LIMITED | 04899634 | 29/07/2005 | 10/07/2009 | Insolvent |
| GLYNCASTLE MINERAL HANDLING LIMITED | 05346865 | 31/01/2005 | 10/07/2009 | Insolvent |
| GLYNCASTLE MINING LIMITED | 05346654 | 28/01/2005 | 10/07/2008 | Insolvent |
| GLYNCASTLE RESOURCE LIMITED | 03616432 | 12/10/2000 | 10/07/2009 | Insolvent |
| OCEAN COAL LIMITED | 05567558 | 04/07/2007 | 10/07/2009 | Insolvent |
| SEVEN STAR NATURAL GAS LIMITED | 05330862 | 12/01/2005 | 23/05/2011 | One Red Flag |
| U K Coal Ltd | 02175696 | 08/05/1991 | 25/07/1991 | Dissolved |
| U K Coal Ltd | 02175696 | 08/05/1991 | 01/03/1992 | Dissolved |
| U K Consolidated Mining Ltd | 02299068 | 22/09/1992 | 25/02/1993 | Dissolved |
| U K Consolidated Mining Ltd | 02299068 | 22/09/1992 | 25/02/1993 | Dissolved |
| U K Mining Contractors Ltd | 02099241 | 06/07/1991 | 25/07/1991 | Dissolved |
| U K Mining Contractors Ltd | 02099241 | 06/07/1991 | 25/02/1993 | Dissolved |
| Unity Power Distribution Ltd | 05567550 | 04/07/2007 | 10/07/2009 | Dissolved |
| Unity Power Generation Ltd | 06712014 | 01/10/2008 | 13/07/2009 | Dissolved |
| Unity Power Supplies Ltd | 05567552 | 04/07/2007 | 10/07/2009 | Dissolved |
| Visual Computer Systems Ltd | 02957970 | 16/09/2002 | 08/06/2005 | Dissolved |