| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BURREN ENERGY (EGYPT) LIMITED | 04948245 | 15/06/2009 | 14/07/2010 | One Red Flag |
| BURREN ENERGY (SERVICES) LIMITED | 03060511 | 15/06/2009 | 14/07/2010 | Dissolved |
| BURREN ENERGY PLC | 03492720 | 15/06/2009 | 14/07/2010 | Gold |
| ENI BB LIMITED | 00261640 | 15/06/2009 | 14/07/2010 | Dissolved |
| ENI CBM LIMITED | 07036327 | 06/10/2009 | 14/07/2010 | Gold |
| ENI COTE D'IVOIRE LIMITED | 02556415 | 15/06/2009 | 14/07/2010 | Amber |
| ENI ELGIN/FRANKLIN LIMITED | 03772746 | 15/06/2009 | 14/07/2010 | Silver |
| ENI HEWETT LIMITED | SC090159 | 15/06/2009 | 14/07/2010 | Silver |
| ENI HYDROCARBONS VENEZUELA LIMITED | 01452037 | 15/06/2009 | 14/07/2010 | Gold |
| ENI LIVERPOOL BAY OPERATING COMPANY LIMITED | 01003825 | 15/06/2009 | 14/07/2010 | Not Trading |
| ENI LNS LIMITED | 00970280 | 15/06/2009 | 14/07/2010 | Not Trading |
| ENI MIDDLE EAST LIMITED | 03180997 | 15/06/2009 | 14/07/2010 | Amber |
| ENI TNS LIMITED | SC055200 | 15/06/2009 | 14/07/2010 | Not Trading |
| ENI TTO LIMITED | 00196665 | 15/06/2009 | 14/07/2010 | Dissolved |
| ENI UHL LIMITED | 00916179 | 15/06/2009 | 14/07/2010 | Silver |
| ENI UK HOLDING PLC | 06428648 | 15/06/2009 | 14/07/2010 | Silver |
| ENI UK LIMITED | 00862823 | 15/06/2009 | 14/07/2010 | Silver |
| ENI UKCS LIMITED | 01019748 | 15/06/2009 | 14/07/2010 | Gold |
| ENI ULT LIMITED | 00301317 | 15/06/2009 | 14/07/2010 | Silver |
| ENI ULX LIMITED | 00936223 | 15/06/2009 | 14/07/2010 | Silver |
| PRIME AEP LIMITED | 00307812 | 15/06/2009 | 14/07/2010 | Gold |
| THE ITALIAN CHAMBER OF COMMERCE AND INDUSTRY FOR THE UNITED KINGDOM | 00598572 | 16/03/2010 | 21/07/2010 | Gold |
| VIC CBM LIMITED | 07079191 | 17/11/2009 | 14/07/2010 | Amber |
| VIRGINIA INDONESIA CO. CBM LIMITED | 07079220 | 17/11/2009 | 14/07/2010 | Amber |