| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALTAHULLION WIND FARM LIMITED | NI043481 | 26/08/2003 | 25/06/2009 | Bronze |
| BLACK HILL WIND FARM LIMITED | 04493876 | 12/10/2005 | 25/06/2009 | Silver |
| Beaufort Energy Ltd | SC147338 | 10/02/2000 | 31/03/2003 | Dissolved |
| CELTPOWER LIMITED | 02656561 | 01/11/1999 | 31/03/2003 | Gold |
| DYFFRYN BRODYN LIMITED | 02917526 | 31/10/2003 | 25/06/2009 | Silver |
| FORSS WIND FARM LIMITED. | 02924456 | 31/10/2003 | 25/06/2009 | Bronze |
| FOUR BURROWS LIMITED | 02913793 | 31/10/2003 | 25/06/2009 | Silver |
| LENDRUM'S BRIDGE (HOLDINGS) LIMITED | NI037835 | 28/11/2003 | 25/06/2009 | Not Trading |
| LENDRUM'S BRIDGE WIND FARM LIMITED | NI035116 | 28/11/2003 | 25/06/2009 | One Red Flag |
| LENDRUM'S BRIDGE WIND FARM NO.2 LIMITED | NI042849 | 20/06/2003 | 29/08/2008 | Dissolved |
| LOUGH HILL WIND FARM LIMITED | NI050663 | 20/10/2006 | 25/06/2009 | Silver |
| MANWEB GENERATION HOLDINGS LIMITED | 02691506 | 01/04/2002 | 31/03/2003 | Dissolved |
| Manweb Generation (Winnington) Ltd | 03006440 | 01/04/2002 | 31/03/2003 | Dissolved |
| RENEWABLE ENERGY CENTRE LIMITED | 03136058 | 31/10/2003 | 14/10/2008 | Insolvent |
| RENEWABLE WORLD | 06005778 | 15/12/2014 | 19/11/2019 | Silver |
| RES HEAT AND POWER LIMITED | 04913487 | 05/11/2003 | 14/10/2008 | Dissolved |
| RES-GEN LIMITED | 04913485 | 11/11/2003 | 25/06/2009 | Dissolved |
| WIND FARM HOLDINGS LIMITED | 04913482 | 05/11/2003 | 25/06/2009 | Bronze |