| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| MEDCO ENERGI THAILAND (E&P) LIMITED | 05372380 | 22/05/2019 | Silver |
| OPHIR (INDONESIA SOUTH EAST SANGATTA) LIMITED | 06654227 | 31/07/2019 | Not Trading |
| OPHIR ENERGY INDONESIA LIMITED | 06091851 | 31/07/2019 | Gold |
| OPHIR ENERGY LIMITED | 05047425 | 21/05/2019 | Bronze |
| OPHIR HOLDINGS & SERVICES (UK) LIMITED | 10141450 | 31/07/2019 | One Red Flag |
| OPHIR HOLDINGS & VENTURES LIMITED | 10467514 | 31/07/2019 | Dissolved |
| OPHIR INDONESIA (KUTAI) LIMITED | 06637474 | 31/07/2019 | Dissolved |
| OPHIR MEXICO LIMITED | 10467338 | 31/07/2019 | Amber |
| SALAMANDER ENERGY (BUALUANG HOLDINGS) LIMITED | 06976506 | 31/07/2019 | Silver |
| SALAMANDER ENERGY (JS) LIMITED | 07584041 | 31/07/2019 | Dissolved |
| SALAMANDER ENERGY (S.E. ASIA) LIMITED | 05652055 | 22/05/2019 | Gold |
| SALAMANDER ENERGY GROUP LIMITED | 05321519 | 31/07/2019 | Gold |
| SALAMANDER ENERGY LIMITED | 05934263 | 22/05/2019 | Bronze |
| SANTOS SABAH BLOCK R LIMITED | 09237123 | 31/07/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENI AMBALAT LIMITED | 03968980 | 03/04/2006 | 01/06/2009 | Not Trading |
| ENI BUKAT LIMITED | 03856870 | 08/08/2002 | 21/08/2003 | Not Trading |
| ENI GANAL LIMITED | 03771954 | 03/04/2006 | 01/06/2009 | Not Trading |
| ENI INDONESIA LIMITED | 02334535 | 08/08/2002 | 21/08/2003 | Not Trading |
| ENI KRUENG MANE LIMITED | 03562003 | 08/08/2002 | 21/08/2003 | Not Trading |
| ENI PAPALANG LIMITED | 04530307 | 26/09/2002 | 21/08/2003 | Dissolved |
| ENI POPODI LIMITED | 04530309 | 03/04/2006 | 01/06/2009 | Dissolved |
| ENI RAPAK LIMITED | 03771987 | 08/08/2002 | 21/08/2003 | Not Trading |
| ENI WEST TIMOR LIMITED | 06606325 | 30/05/2008 | 01/06/2009 | Not Trading |
| Eni Malagot Ltd | 03478543 | 08/08/2002 | 21/08/2003 | Dissolved |
| Eni Sesulu Ltd | 03771970 | 08/08/2002 | 21/08/2003 | Dissolved |
| JADESTONE ENERGY (PHT GP) LIMITED | 05490404 | 31/07/2019 | 22/02/2023 | Gold |
| Lasmo Cumi-Cumi Ltd | 02544269 | 08/08/2002 | 21/08/2003 | Dissolved |