| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Akrita Holdings Ltd | NI051484 | 17/08/2004 | Dissolved |
| B9 BIOGAS LTD | NI606383 | 01/03/2011 | Amber |
| B9 BIOGAS LTD | NI606383 | 01/03/2011 | Amber |
| B9 DEVELOPMENTS LTD | NI619190 | 02/07/2013 | Dissolved |
| B9 ENERGY CONTROL LTD | NI067723 | 04/03/2008 | Bronze |
| B9 ENERGY CONTROL LTD | NI067723 | 04/03/2008 | Bronze |
| B9 ENERGY LIMITED | NI035442 | 11/01/1999 | Amber |
| B9 ENERGY LIMITED | NI035442 | 11/01/1999 | Amber |
| B9 FOOD RECOVERY LIMITED | NI035849 | 23/03/1999 | Silver |
| B9 HYDRO LTD | NI621505 | 18/11/2013 | Dissolved |
| B9 ORGANIC ENERGY LIMITED | NI034588 | 20/06/2006 | One Red Flag |
| B9 RESOURCE LIMITED | NI607217 | 21/04/2011 | Dissolved |
| B9 RESOURCE LIMITED | NI607217 | 21/04/2011 | Dissolved |
| B9 SOLUTIONS LIMITED | NI604835 | 22/10/2010 | Gold |
| B9 SOLUTIONS LIMITED | NI604835 | 22/10/2010 | Gold |
| B9 WIND LIMITED | NI604836 | 22/10/2010 | Dissolved |
| B9 WIND LIMITED | NI604836 | 22/10/2010 | Dissolved |
| BALLYMACVEA POWER LTD | NI612356 | 23/04/2012 | Dissolved |
| BLACKWATER ELECTRICITY LIMITED | NI039700 | 24/11/2000 | Amber |
| CRAIGMORE POWER LTD | NI612366 | 24/04/2012 | Dissolved |
| CULMORE POWER LTD | NI612357 | 23/04/2012 | Dissolved |
| Corkey Ltd | NI028120 | 25/01/1994 | Dissolved |
| Corkey Ltd | NI028120 | 25/01/1994 | Dissolved |
| DRUMANAKELLY POWER LTD | NI612367 | 24/04/2012 | Amber |
| DRUMBANAWAY ENERGY LTD | NI614540 | 20/09/2012 | Dissolved |
| Elliott's Hill Ltd | NI028121 | 25/01/1994 | Dissolved |
| Elliott's Hill Ltd | NI028121 | 25/01/1994 | Dissolved |
| Envirolite (Irl) Ltd | NI045505 | 19/02/2003 | Dissolved |
| GREEN ROAD POWER LTD | NI612363 | 24/04/2012 | Dissolved |
| HARBROOK PROPERTY DEVELOPMENTS LTD | NI037848 | 14/02/2000 | Silver |
| HARVEY & CO ACCOUNTANCY SERVICES LIMITED | NI058954 | 11/04/2006 | Gold |
| Kleftospilia Holdings Ltd | NI051471 | 17/08/2004 | Dissolved |
| LANDFILL GAS GENERATION LIMITED | NI068077 | 02/02/2009 | Amber |
| LANDFILL GAS GENERATION LIMITED | NI068077 | 02/02/2009 | Amber |
| LANDFILL GAS MANAGEMENT LIMITED | NI067360 | 04/03/2008 | Dissolved |
| LANDFILL GAS MANAGEMENT LIMITED | NI067360 | 04/03/2008 | Dissolved |
| Lebcor Ltd | NI039699 | 24/11/2000 | Dissolved |
| MALFI LIMITED | NI030493 | 15/02/1996 | Silver |
| Madara Holdings Ltd | NI051485 | 17/08/2004 | Dissolved |
| Organic Energies Ltd | NI060975 | 20/10/2006 | Dissolved |
| Organic Energies Ltd | NI060975 | 20/10/2006 | Dissolved |
| Petalas Holdings Ltd | NI051486 | 17/08/2004 | Dissolved |
| Rigged Hill Ltd | NI028122 | 25/01/1994 | Dissolved |
| Rigged Hill Ltd | NI028122 | 25/01/1994 | Dissolved |
| SLIEVEARD WIND FARM LIMITED | NI612167 | 23/04/2012 | Dissolved |
| SLIEVEARD WIND FARM LIMITED | NI612167 | 23/04/2012 | Dissolved |
| THRIFT LIMITED | NI065288 | 19/06/2007 | Amber |
| THRIFT LIMITED | NI065288 | 19/06/2007 | Amber |
| WIND TURBINE POWER LIMITED | NI039900 | 13/03/2001 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALTAHULLION WIND FARM LIMITED | NI043481 | 18/06/2002 | 10/03/2005 | Silver |
| ALTAHULLION WIND FARM LIMITED | NI043481 | 26/08/2003 | 10/03/2005 | Silver |
| B9 ORGANIC ENERGY LIMITED | NI034588 | 05/08/1998 | 01/01/2013 | One Red Flag |
| BIOMASS CHP LIMITED | NI059234 | 16/05/2006 | 24/08/2008 | Dissolved |
| CALLAGHEEN WIND FARM LIMITED | NI050555 | 08/09/2004 | 31/10/2005 | Dissolved |
| GRANVILLE ECOPARK LIMITED | NI061353 | 26/01/2007 | 04/05/2022 | Silver |
| HELLAS WIND FARM DEVELOPMENT LIMITED | NI034985 | 22/11/1999 | 01/10/2005 | Gold |
| LENDRUM'S BRIDGE (HOLDINGS) LIMITED | NI037835 | 03/02/2000 | 10/03/2005 | Not Trading |
| LENDRUM'S BRIDGE (HOLDINGS) LIMITED | NI037835 | 14/02/2000 | 10/03/2005 | Not Trading |
| LENDRUM'S BRIDGE WIND FARM LIMITED | NI035116 | 30/10/1998 | 10/03/2005 | One Red Flag |
| LENDRUM'S BRIDGE WIND FARM LIMITED | NI035116 | 16/03/2000 | 10/03/2005 | One Red Flag |
| LENDRUM'S BRIDGE WIND FARM NO.2 LIMITED | NI042849 | 10/03/2005 | 10/03/2005 | Dissolved |
| LENDRUM'S BRIDGE WIND FARM NO.2 LIMITED | NI042849 | 20/06/2003 | 10/03/2005 | Dissolved |
| LOUGH HILL WIND FARM LIMITED | NI050663 | 17/06/2005 | 19/05/2006 | Silver |
| ORGANIC POWER IRELAND LIMITED | NI047669 | 22/08/2003 | 01/11/2004 | One Red Flag |
| RENEWABLE ENERGY SYSTEMS (NORTHERN IRELAND) LIMITED | NI026799 | 13/08/1992 | 19/05/2004 | Silver |
| RENEWABLE ENERGY SYSTEMS (NORTHERN IRELAND) LIMITED | NI026799 | 13/08/1992 | 19/05/2006 | Silver |
| SIEMENS GAMESA RENEWABLE ENERGY B9 LIMITED | NI028387 | 18/04/1994 | 31/05/2006 | Dissolved |
| SIEMENS GAMESA RENEWABLE ENERGY B9 LIMITED | NI028387 | 18/04/1994 | 31/05/2006 | Dissolved |
| WIND FARM DEVELOPMENTS LIMITED | NI036725 | 17/08/1999 | 23/03/2005 | Dissolved |
| WIND FARM DEVELOPMENTS LIMITED | NI036725 | 27/05/2005 | 19/05/2006 | Dissolved |
| WOLF BOG WIND FARM LIMITED | NI053475 | 16/11/2005 | 19/05/2006 | Dissolved |