| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A & C PROJECT MANAGEMENT LTD | SC476675 | 02/05/2014 | Gold |
| CASA CONSULTANCY LIMITED | SC366024 | 04/05/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| DEO PETROLEUM EXPLORATION LIMITED | 07872978 | 03/04/2012 | 08/11/2012 | Dissolved |
| DEO PETROLEUM U.K. LIMITED | 07336090 | 19/10/2010 | 08/11/2012 | Strike Off |
| SALLORK (PROPERTY) LIMITED | SC361847 | 01/07/2009 | 12/11/2012 | One Red Flag |
| ZEPHYR WELL ENGINEERING LTD | SC537802 | 13/06/2016 | 30/11/2020 | Bronze |