| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CALZACH LIMITED | NI615142 | 24/10/2012 | Gold |
| CETO LIMITED | NI068697 | 02/04/2008 | Dissolved |
| EVERUN LIMITED | NI602908 | 20/04/2010 | Bronze |
| FIRST WIND FINANCE LIMITED | NI616330 | 16/01/2013 | Strike Off |
| FIRST WIND LIMITED | NI611518 | 02/03/2012 | Silver |
| HALCYON HOLDINGS LIMITED | NI635852 | 18/01/2016 | Dissolved |
| HOLESTONE ROAD LIMITED | NI620365 | 08/03/2016 | Dissolved |
| HYDRO POWER IRELAND LIMITED | NI623265 | 01/06/2014 | Not Trading |
| WIND NI ELECTRICITY LIMITED | NI616230 | 01/05/2013 | Dissolved |
| WIND NI ENERGY LIMITED | NI613556 | 01/05/2013 | Dissolved |
| WIND NI GENERATION LIMITED | NI616228 | 01/05/2013 | Dissolved |
| WINDNI LIMITED | NI072874 | 10/06/2009 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BALLYKEEL WIND FARM LIMITED | NI618256 | 01/01/2015 | 18/03/2021 | Bronze |
| HOLSEN LIMITED | NI626095 | 11/08/2014 | 11/08/2014 | Silver |
| SYNERGY WIND LIMITED | NI629504 | 19/02/2015 | 02/03/2018 | Bronze |
| WIND ENERGY GENERATION LIMITED | NI623521 | 20/03/2014 | 24/01/2022 | Silver |
| WIND NI DEVELOPMENTS LIMITED | NI616397 | 01/05/2013 | 16/08/2019 | Dissolved |
| WIND NI POWER LIMITED | NI616227 | 01/05/2013 | 16/08/2019 | Gold |