| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EASTERN WIND FARMS LIMITED | 02798170 | 10/05/2004 | Dissolved |
| GREEN HILL ENERGY LIMITED | 06952903 | 06/07/2009 | Bronze |
| HILL OF TOWIE LIMITED | 06952881 | 06/07/2009 | Bronze |
| RENEWABLE ENERGY CENTRE LIMITED | 03136058 | 10/05/2004 | Insolvent |
| RENEWABLE ENERGY GROUP LIMITED | 04913495 | 10/05/2004 | Not Trading |
| RENEWABLE ENERGY SYSTEMS ASIA PACIFIC LIMITED | 04493761 | 10/05/2004 | Dissolved |
| RENEWABLE ENERGY SYSTEMS CONSTRUCTION LIMITED | 04585817 | 10/05/2004 | Dissolved |
| RENEWABLE ENERGY SYSTEMS HOLDINGS LIMITED | 04913497 | 01/07/2008 | Silver |
| RENEWABLE ENERGY SYSTEMS LIMITED | 01589961 | 10/05/2004 | Silver |
| RES DEVELOPMENTS LIMITED | 04493918 | 10/05/2004 | Dissolved |
| RES HEAT AND POWER LIMITED | 04913487 | 10/05/2004 | Dissolved |
| RES NORTHERN EUROPE LIMITED | 04915239 | 10/05/2004 | Dissolved |
| RES UK & IRELAND LIMITED | 04913493 | 15/06/2009 | Bronze |
| RES-GEN LIMITED | 04913485 | 10/05/2004 | Dissolved |
| SOLAR SLATE LIMITED | 07022531 | 17/09/2009 | Not Trading |
| WIND ENERGY SYSTEMS LIMITED | 03280274 | 10/05/2004 | Not Trading |
| WIND FARM HOLDINGS LIMITED | 04913482 | 10/05/2004 | Bronze |
| WIND TURBINE DEVELOPMENTS LIMITED | 02873607 | 01/07/2008 | Dissolved |
| WRYDE CROFT WIND FARM LIMITED | 05241893 | 12/01/2005 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLACK HILL WIND FARM LIMITED | 04493876 | 10/05/2004 | 30/09/2017 | Silver |
| DYFFRYN BRODYN LIMITED | 02917526 | 10/05/2004 | 07/11/2019 | Silver |
| FORSS WIND FARM LIMITED. | 02924456 | 10/05/2004 | 22/03/2024 | Bronze |
| FOUR BURROWS LIMITED | 02913793 | 10/05/2004 | 07/11/2019 | Silver |