| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Drax Nominees Ltd | 04947438 | 26/09/2005 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CORYTON ENERGY COMPANY, LTD. | FC020597 | 20/08/2001 | 23/09/2005 | Silver |
| GREEN BESS DEVELOPMENT SERVICES (UK) LIMITED | 03547451 | 09/07/2001 | 23/09/2005 | Silver |
| INTERGEN (UK) ENERGY TRADING AND SHIPPING LTD. | 03484691 | 09/07/2001 | 23/09/2005 | Dissolved |
| INTERGEN (UK) LTD. | 03039100 | 09/07/2001 | 23/09/2005 | Gold |
| INTERGEN ENTERPRISES (UK) LTD. | 03568678 | 09/07/2001 | 23/09/2005 | Not Trading |
| INTERGEN MANAGEMENT SERVICES (U.K.) LTD | 03547447 | 09/07/2001 | 23/09/2005 | Dissolved |
| INTERGEN OPERATING COMPANY (UK) LIMITED | 03197643 | 09/07/2001 | 23/09/2005 | Gold |
| Intergen (Uk) Extra Ltd | 03927860 | 09/07/2001 | 23/09/2005 | Dissolved |
| JOHNSON MATTHEY PLC | 00033774 | 01/09/2007 | 20/07/2016 | Bronze |
| Nec Holdings Ltd | 03866278 | 09/07/2001 | 23/09/2005 | Dissolved |
| ROCKSAVAGE POWER COMPANY, LTD. | FC018868 | 20/08/2001 | 23/09/2005 | Silver |
| SAVAGE LAND LIMITED | 03145444 | 09/07/2001 | 23/09/2005 | Not Trading |
| SPALDING ENERGY COMPANY, LTD. | FC019668 | 05/09/2001 | 23/09/2005 | Silver |
| THOMPSON, STANLEY PUBLISHERS LIMITED | 02656623 | 22/11/1991 | 01/02/1994 | Dissolved |
| THOMPSON, STANLEY PUBLISHERS LIMITED | 02656623 | 01/03/1993 | 01/02/1994 | Dissolved |