| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADAMO ENERGY (UK) LIMITED | 06252743 | 24/02/2016 | One Red Flag |
| AIR NATION LIMITED | 08503108 | 24/04/2013 | Dissolved |
| COASTAL OIL AND GAS LIMITED | 03440732 | 26/09/1997 | One Red Flag |
| INFINITY EXPLORATION LIMITED | 10740815 | 25/04/2017 | Not Trading |
| LOCAL ENERGY SUPPLY SYSTEMS LIMITED | 06800265 | 23/01/2009 | Amber |
| MODAL MINING LIMITED | 02871139 | 03/03/1994 | Dissolved |
| NEWTON BEACH DEVELOPMENT COMPANY LIMITED | 06467509 | 08/01/2008 | Silver |
| SEFYDLIAD TANWYDD CYMRU CYF. | 11811206 | 06/02/2019 | Not Trading |
| SOUTH WALES ENERGY LIMITED | 07948427 | 16/05/2012 | One Red Flag |
| SOUTH WALES GAS LIMITED | 03443588 | 02/10/1997 | Amber |
| SOUTH WESTERN ENERGY LIMITED | 08019159 | 16/05/2012 | One Red Flag |
| ST. JOHN`S VISION LIMITED | 04855469 | 04/08/2003 | One Red Flag |
| TECHNOLEG LIMITED | 03417041 | 07/10/1997 | Gold |
| THISTLE GAS LIMITED | 03411863 | 30/07/1997 | One Red Flag |
| TOPEX LIMITED | 05554391 | 05/09/2005 | One Red Flag |
| TRANSGAS LIMITED | 03440201 | 26/09/1997 | One Red Flag |
| U.K. GAS LIMITED | 02648117 | 24/09/1992 | Amber |
| U.K. METHANE LIMITED | 03452019 | 22/10/1997 | One Red Flag |
| UK WATER SUPPLIES LIMITED | 03464228 | 22/12/1997 | Amber |
| UK WIND ENERGY LIMITED | 02648102 | 24/09/1991 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|