| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AZINOR CATALYST LIMITED | 04212557 | 01/04/2008 | 30/05/2013 | Insolvent |
| PETROLEUM GEO-SERVICES (UK) LIMITED | 02874539 | 01/04/2008 | 31/08/2017 | Bronze |
| PGS EM LIMITED | SC243297 | 09/04/2008 | 18/03/2015 | Dissolved |
| PGS EXPLORATION (UK) LIMITED | 02904391 | 01/04/2008 | 31/08/2017 | Gold |
| PGS RESERVOIR LIMITED | 03177228 | 01/04/2008 | 31/08/2017 | Dissolved |
| PGS SEISMIC (UK) LTD | 05646810 | 01/04/2008 | 31/08/2017 | Dissolved |
| SEISMIC EXPLORATION (CANADA) LTD | 03077211 | 01/04/2008 | 31/08/2017 | Dissolved |