| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CR2BM Ltd | 04601264 | 26/11/2002 | Dissolved |
| Wagner Consulting Ltd | 03465664 | 14/11/1997 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALTERA PRODUCTION UK LIMITED | 03142470 | 02/11/2005 | 22/03/2007 | Amber |
| AZINOR CATALYST LIMITED | 04212557 | 02/11/2005 | 19/12/2007 | Insolvent |
| CYBERNETIX S.R.I.S. LIMITED | 05961602 | 17/06/2013 | 05/05/2016 | One Red Flag |
| DESIGN HIVE LIMITED | 04566184 | 31/03/2003 | 23/03/2016 | Gold |
| GENESIS ENERGIES CONSULTANTS LTD | 02832348 | 17/06/2013 | 05/05/2016 | One Red Flag |
| GENESIS OIL & GAS CONSULTANTS LIMITED | 02921834 | 17/06/2013 | 05/05/2016 | One Red Flag |
| GOLAR-NOR (UK) LIMITED | 03238016 | 02/11/2005 | 22/03/2007 | Amber |
| PANOCEANIC ENERGY LIMITED | 01851671 | 02/11/2005 | 19/12/2007 | Amber |
| PETROLEUM GEO-SERVICES (UK) LIMITED | 02874539 | 02/11/2005 | 19/12/2007 | Bronze |
| PGS EXPLORATION (UK) LIMITED | 02904391 | 02/11/2005 | 19/12/2007 | Gold |
| PGS GEOPHYSICAL (ANGOLA) LTD. | 01956990 | 02/11/2005 | 19/12/2007 | One Red Flag |
| PGS IKDAM LTD. | 04051818 | 02/11/2005 | 19/12/2007 | Dissolved |
| PGS PENSION TRUSTEE LIMITED | 02988036 | 02/11/2005 | 19/12/2007 | Gold |
| PGS PENSION TRUSTEE LIMITED | 02988036 | 07/12/2004 | 06/03/2009 | Gold |
| PGS RESERVOIR LIMITED | 03177228 | 07/11/2005 | 19/12/2007 | Dissolved |
| PGS SEISMIC (UK) LTD | 05646810 | 06/12/2005 | 19/12/2007 | Dissolved |
| SEISMIC EXPLORATION (CANADA) LTD | 03077211 | 02/11/2005 | 19/12/2007 | Dissolved |
| TEEKAY PETROJARL FLOATING PRODUCTION UK LTD. | 02436350 | 02/11/2005 | 22/03/2007 | Amber |