| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Assiniboine Finance Ltd | 05541177 | 19/08/2005 | Dissolved |
| Assiniboine Ltd. | 04626869 | 06/01/2003 | Dissolved |
| Teesside Regeneration Ltd | 05256821 | 29/10/2004 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CORYTON ENERGY COMPANY, LTD. | FC020597 | 02/10/1997 | 29/11/2002 | Silver |
| GOOD ENERGIES (UK) LLP | OC330226 | 14/11/2007 | 31/03/2009 | Dissolved |
| GOOD ENERGIES INVESTMENTS LIMITED | 04772261 | 24/04/2007 | 08/11/2007 | Dissolved |
| GREEN BESS DEVELOPMENT SERVICES (UK) LIMITED | 03547451 | 10/06/1998 | 29/11/2002 | Silver |
| INTERGEN (UK) ENERGY TRADING AND SHIPPING LTD. | 03484691 | 26/02/1998 | 29/11/2002 | Dissolved |
| INTERGEN (UK) LTD. | 03039100 | 16/07/1998 | 29/11/2002 | Gold |
| INTERGEN ENTERPRISES (UK) LTD. | 03568678 | 19/06/1998 | 29/11/2002 | Not Trading |
| INTERGEN MANAGEMENT SERVICES (U.K.) LTD | 03547447 | 10/06/1998 | 29/11/2002 | Dissolved |
| KILLINGHOLME GENERATION LIMITED | 03856304 | 24/01/2003 | 14/09/2005 | Dissolved |
| KILLINGHOLME HOLDINGS LIMITED | 03929730 | 14/09/2005 | 17/03/2006 | Dissolved |
| KILLINGHOLME PENSIONS LIMITED | 04142158 | 04/04/2003 | 01/07/2004 | Dissolved |
| KILLINGHOLME POWER | 03782437 | 24/01/2003 | 14/09/2005 | Dissolved |
| KILLINGHOLME POWER GROUP LIMITED | 04498075 | 23/01/2003 | 14/09/2005 | Dissolved |
| NOVERA ENERGY GENERATION NO. 1 LIMITED | 03451378 | 01/05/2004 | 09/11/2004 | Amber |
| ROCKSAVAGE POWER COMPANY, LTD. | FC018868 | 18/06/1996 | 29/11/2002 | Silver |
| SAVAGE LAND LIMITED | 03145444 | 20/01/1999 | 29/11/2002 | Not Trading |
| SPALDING ENERGY COMPANY, LTD. | FC019668 | 18/11/1996 | 21/12/1999 | Silver |