| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AQUILA STERLING LIMITED | 04391954 | 26/11/2013 | 12/06/2014 | Dissolved |
| E.ON ENERGY GAS (EASTERN) LIMITED | 04060387 | 26/11/2013 | 31/05/2016 | Not Trading |
| E.ON ENERGY GAS (NORTHWEST) LIMITED | 02850031 | 26/11/2013 | 31/05/2016 | Not Trading |
| E.ON LIMITED | 03326196 | 26/11/2013 | 15/05/2014 | Dissolved |
| E.ON RETAIL LIMITED | 02878650 | 26/11/2013 | 15/05/2014 | Dissolved |
| EME DISTRIBUTION NO. 2 LIMITED | 04919996 | 26/11/2013 | 12/06/2014 | Dissolved |
| MIDLANDS GAS LIMITED | 03364919 | 26/11/2013 | 15/05/2014 | Dissolved |
| MIDLANDS POWER (UK) LIMITED | 02251099 | 26/11/2013 | 15/05/2014 | Dissolved |
| MIDLANDS SALES LIMITED | 02573405 | 26/11/2013 | 15/05/2014 | Dissolved |
| POWERGEN (EAST MIDLANDS) LOAN NOTES | 03277634 | 26/11/2013 | 15/05/2014 | Dissolved |
| POWERGEN LS SE | SE000019 | 01/10/2013 | 31/05/2016 | Bronze |
| POWERGEN RETAIL SUPPLY LIMITED | 04566763 | 26/11/2013 | 15/05/2014 | Dissolved |
| POWERGEN UK LIMITED | 02878653 | 26/11/2013 | 15/05/2014 | Dissolved |
| THOR COGENERATION LIMITED | 05992364 | 22/11/2013 | 15/05/2014 | Dissolved |
| THOR HOLDINGS LIMITED | 06323377 | 22/11/2013 | 15/05/2014 | Dissolved |
| TXU EUROPE (AH ONLINE) LIMITED | 03364798 | 26/11/2013 | 15/05/2014 | Dissolved |
| TXU EUROPE (AHG) LIMITED | 02630844 | 26/11/2013 | 15/05/2014 | Dissolved |
| TXU EUROPE (AHST) LIMITED | 03568459 | 26/11/2013 | 15/05/2014 | Dissolved |
| Txu Europe (Ahgd) Ltd | 03076057 | 26/11/2013 | 15/05/2014 | Dissolved |
| UNIPER UK CORBY LIMITED | 02452735 | 22/11/2013 | 30/09/2015 | Gold |
| UNIPER UK COTTAM LIMITED | 03273552 | 22/11/2013 | 30/09/2015 | Not Trading |
| UNIPER UK GAS LIMITED | 02436332 | 22/11/2013 | 30/09/2015 | Silver |
| UNIPER UK IRONBRIDGE LIMITED | 04566803 | 22/11/2013 | 30/09/2015 | Gold |
| WESTERN GAS LIMITED | 02677708 | 26/11/2013 | 15/05/2014 | Dissolved |