| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ENI ANS LIMITED | 02554093 | 15/11/2010 | Dissolved |
| ENI BB LIMITED | 00261640 | 14/07/2010 | Dissolved |
| ENI RESOURCES LIMITED | 02161862 | 14/07/2010 | Dissolved |
| ENI TTO LIMITED | 00196665 | 14/07/2010 | Dissolved |
| Lasmo Grand Maghreb Ltd | 02466698 | 27/09/2007 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BURREN ENERGY (EGYPT) LIMITED | 04948245 | 14/07/2010 | 19/09/2011 | One Red Flag |
| BURREN ENERGY (SERVICES) LIMITED | 03060511 | 14/07/2010 | 19/09/2011 | Dissolved |
| BURREN ENERGY INDIA LIMITED | 05319270 | 14/07/2010 | 19/09/2011 | Gold |
| BURREN ENERGY PLC | 03492720 | 14/07/2010 | 19/09/2011 | Gold |
| ENI AUSTRALIA LIMITED | 01020949 | 15/11/2010 | 19/09/2011 | Amber |
| ENI CBM LIMITED | 07036327 | 14/07/2010 | 19/09/2011 | Gold |
| ENI COTE D'IVOIRE LIMITED | 02556415 | 14/07/2010 | 19/09/2011 | Amber |
| ENI HEWETT LIMITED | SC090159 | 14/07/2010 | 19/09/2011 | Silver |
| ENI HYDROCARBONS VENEZUELA LIMITED | 01452037 | 14/07/2010 | 19/09/2011 | Gold |
| ENI INDIA LIMITED | 02735371 | 15/11/2010 | 19/09/2011 | Amber |
| ENI INDONESIA LIMITED | 02334535 | 15/11/2010 | 19/09/2011 | Not Trading |
| ENI INVESTMENTS PLC | 04126448 | 28/07/2010 | 20/10/2011 | Gold |
| ENI JPDA 03-13 LIMITED | 02664257 | 15/11/2010 | 19/09/2011 | Silver |
| ENI KRUENG MANE LIMITED | 03562003 | 15/11/2010 | 19/09/2011 | Not Trading |
| ENI LASMO PLC | 01008965 | 15/11/2010 | 19/09/2011 | Gold |
| ENI LIVERPOOL BAY OPERATING COMPANY LIMITED | 01003825 | 14/07/2010 | 19/09/2011 | Not Trading |
| ENI LNS LIMITED | 00970280 | 14/07/2010 | 19/09/2011 | Not Trading |
| ENI MIDDLE EAST LIMITED | 03180997 | 14/07/2010 | 19/09/2011 | Amber |
| ENI OIL ALGERIA LIMITED | 02274210 | 14/07/2010 | 19/09/2011 | Silver |
| ENI TNS LIMITED | SC055200 | 14/07/2010 | 19/09/2011 | Not Trading |
| ENI UFL LIMITED | 02325373 | 14/07/2010 | 19/09/2011 | Dissolved |
| ENI UHL LIMITED | 00916179 | 14/07/2010 | 19/09/2011 | Silver |
| ENI UK HOLDING PLC | 06428648 | 14/07/2010 | 19/09/2011 | Silver |
| ENI UK LIMITED | 00862823 | 14/07/2010 | 19/09/2011 | Silver |
| ENI ULT LIMITED | 00301317 | 14/07/2010 | 19/09/2011 | Silver |
| ENI ULX LIMITED | 00936223 | 14/07/2010 | 19/09/2011 | Silver |
| ENI WEST TIMOR LIMITED | 06606325 | 15/11/2010 | 19/09/2011 | Not Trading |
| ENI YEMEN LIMITED | 05567365 | 14/07/2010 | 19/09/2011 | Gold |
| ITHACA EF LIMITED | 03772746 | 14/07/2010 | 19/09/2011 | Silver |
| ITHACA UKCS LIMITED | 01019748 | 14/07/2010 | 19/09/2011 | Silver |
| PRIME AEP LIMITED | 00307812 | 14/07/2010 | 19/09/2011 | Gold |
| PRIME GLOBAL ENERGIES LIMITED | 00151940 | 15/11/2010 | 19/09/2011 | Silver |
| THE ITALIAN CHAMBER OF COMMERCE AND INDUSTRY FOR THE UNITED KINGDOM | 00598572 | 21/07/2010 | 05/10/2011 | Gold |
| VIC CBM LIMITED | 07079191 | 14/07/2010 | 19/09/2011 | Amber |
| VIRGINIA INDONESIA CO. CBM LIMITED | 07079220 | 14/07/2010 | 19/09/2011 | Amber |