| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ASIAN INDEPENDENT POWER LIMITED | 05921766 | 20/09/2006 | Dissolved |
| ASIAN INDEPENDENT POWER LIMITED | 05921766 | 20/09/2006 | Dissolved |
| BIO ETHANOL LIMITED | 04191687 | 09/04/2003 | Strike Off |
| BIO ETHANOL LIMITED | 04191687 | 09/04/2003 | Strike Off |
| Bioblend Plc | 05308582 | 09/12/2004 | Dissolved |
| Bioblend Plc | 05308582 | 09/12/2004 | Dissolved |
| Bioethanol (U K) Ltd | 06219345 | 29/06/2007 | Dissolved |
| Bioethanol (U K) Ltd | 06219345 | 29/06/2007 | Dissolved |
| Bioethanol Automotive Ltd | 04704693 | 24/03/2003 | Dissolved |
| Bioethanol Automotive Ltd | 04704693 | 24/03/2003 | Dissolved |
| Celtic Integrated Energy Ltd | 05099277 | 08/04/2004 | Dissolved |
| EMBANKMENT INVESTMENTS LIMITED | 05253562 | 07/10/2004 | Dissolved |
| GREENHEART ENERGY LIMITED | 05406191 | 30/03/2005 | Amber |
| GREENHEART WOOD FUELS LIMITED | 06531617 | 02/04/2008 | Dissolved |
| GREENHEART WOOD FUELS LIMITED | 06531617 | 02/04/2008 | Dissolved |
| Gori Mayu Ltd | 03570875 | 22/07/1999 | Dissolved |
| IPC CLIMATE CAPITAL LIMITED | 06520922 | 03/03/2008 | Dissolved |
| Independent Power International Ltd | 04273950 | 12/09/2001 | Dissolved |
| International Power Gas Ltd | 05105402 | 19/04/2004 | Dissolved |
| Ipsa Development Co Ltd | 05340312 | 25/04/2006 | Dissolved |
| Kazakh Independent Power Ltd | 03384164 | 22/07/1999 | Dissolved |
| Killingholme Bioenergy Ltd | 06862476 | 30/03/2009 | Dissolved |
| Killingholme Bioenergy Ltd | 06862476 | 30/03/2009 | Dissolved |
| Kyrgyz Independent Hydro Power Corporation Ltd | 03520593 | 22/07/1999 | Dissolved |
| LATIN BIO LIMITED | 06005273 | 21/11/2006 | Dissolved |
| LATIN BIO LIMITED | 06005273 | 11/09/2009 | Dissolved |
| Nepal Independent Hydro Ltd | 03304777 | 22/07/1999 | Dissolved |
| Superski Ltd | 04261985 | 28/08/2001 | Dissolved |
| The Database Correction Co Ltd | 03152198 | 20/01/2002 | Dissolved |
| The Database Correction Co Ltd | 03152198 | 07/04/2003 | Dissolved |
| Ukraine Independent Power Co Ltd | 03304551 | 22/07/1999 | Dissolved |
| Zedvue Ltd | SC202007 | 13/01/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BLAZEWAY ENGINEERING LIMITED | 05356014 | 13/04/2005 | 08/09/2017 | Strike Off |
| BLAZEWAY ENGINEERING LIMITED | 05356014 | 25/11/2015 | 16/06/2017 | Strike Off |
| ELL TECHNOLOGIES LIMITED | 03282775 | 15/01/1997 | 18/02/1997 | Dissolved |
| ELL TECHNOLOGIES LIMITED | 03282775 | 15/01/1997 | 04/03/1997 | Dissolved |
| EUROPEAN POWER GENERATION LIMITED | 04273969 | 12/09/2001 | 02/08/2005 | Dissolved |
| INDEPENDENT POWER OPERATIONS LIMITED | 04288901 | 14/11/2001 | 22/09/2015 | Amber |
| IPSA GROUP PLC | 05496202 | 01/07/2005 | 16/06/2017 | Insolvent |
| IPSA GROUP PLC | 05496202 | 07/04/2016 | 16/06/2017 | Insolvent |
| Independent Power (U K) Ltd | 04130341 | 19/12/2000 | 16/11/2001 | Dissolved |
| Ipc Operations Ltd | 03416970 | 01/07/1999 | 16/11/2001 | Dissolved |
| Ipc Operations Ltd | 03416970 | 29/06/2000 | 01/10/2001 | Dissolved |
| RURELEC PLC | 04812855 | 03/07/2003 | 01/07/2017 | Bronze |
| Ridge Mining (Uk) Ltd | 03165108 | 11/03/1996 | 03/07/1996 | Dissolved |
| Ridge Mining (Uk) Ltd | 03165108 | 11/03/1996 | 22/03/1996 | Dissolved |
| STRATEGIC NATURAL RESOURCES PLC | 05249946 | 05/12/2006 | 01/11/2010 | Insolvent |
| THE INDEPENDENT POWER CORPORATION PLC | 03097552 | 22/07/1999 | 22/09/2015 | Bronze |
| THE INDEPENDENT POWER CORPORATION PLC | 03097552 | 16/04/2002 | 29/06/2015 | Bronze |
| THE OLD LIBRARY APARTMENTS MANAGEMENT COMPANY LIMITED | 03152586 | 05/12/2012 | 08/05/2014 | Silver |