| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| EAGLE ENERGY LIMITED | 03784205 | 08/10/2010 | Dissolved |
| ECORP EUROPE HOLDING LIMITED | 07246887 | 07/05/2010 | Bronze |
| ECORP EUROPE INTERNATIONAL, LTD | 07223237 | 14/04/2010 | Dissolved |
| ECORP FRANCE LIMITED | 03452996 | 05/10/2010 | Dissolved |
| ECORP OIL & GAS UK LIMITED | 07247502 | 10/05/2010 | One Red Flag |
| ECORP SERVICES (GLOBAL) LIMITED | 08274081 | 30/10/2012 | Dissolved |
| ECORP UK 14TH ROUND LIMITED | 09271982 | 20/10/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PORTLAND GAS LIMITED | 06030680 | 01/10/2010 | 01/06/2012 | Dissolved |
| PORTLAND GAS STORAGE LIMITED | 05365526 | 01/10/2010 | 01/06/2012 | Dissolved |
| PORTLAND GAS TRANSPORTATION LIMITED | 06030685 | 01/10/2010 | 01/06/2012 | Dissolved |