| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 29/31 AYLMER ROAD MANAGEMENT LIMITED | 03259032 | 01/01/2004 | Silver |
| 29/31 AYLMER ROAD MANAGEMENT LIMITED | 03259032 | 19/11/2003 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENGIE GAS LIMITED | 03814495 | 04/11/2013 | 01/01/2016 | Bronze |
| ENGIE GAS SHIPPER LIMITED | 03814488 | 04/11/2013 | 01/01/2016 | Bronze |
| ENGIE HOME LIMITED | 03814480 | 04/11/2013 | 01/01/2016 | Dissolved |
| ENGIE POWER LIMITED | 04236804 | 04/11/2013 | 01/01/2016 | Bronze |
| ENGIE SHOTTON LIMITED | 05261101 | 19/12/2012 | 01/01/2016 | Dissolved |
| ENGIE SUPPLY HOLDING UK LIMITED | 02706333 | 04/11/2013 | 01/01/2016 | Silver |
| ENGIE UK WIND SERVICES LIMITED | 08727098 | 16/12/2013 | 01/01/2016 | Silver |
| HAYABUSA HOLDINGS LIMITED | 08748908 | 29/09/2014 | 01/01/2016 | Bronze |
| INTERNATIONAL POWER RETAIL SUPPLY COMPANY (UK) LIMITED | 06346398 | 04/11/2013 | 01/01/2016 | Amber |
| IPM ENERGY RETAIL LIMITED | 06054816 | 04/11/2013 | 01/01/2016 | Amber |
| SCOTIA WIND (CRAIGENGELT) LIMITED | 05279392 | 05/11/2013 | 29/09/2014 | Silver |
| TEESSIDE ENERGY TRADING LIMITED | 05308064 | 04/11/2013 | 01/01/2016 | Dissolved |