| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ITHACA ENERGY PLC | 12263719 | 31/10/2022 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERDEEN SCIENCE CENTRE | SC113666 | 14/09/2017 | 26/09/2019 | Bronze |
| AMOCO (FIDDICH) LIMITED | 01005360 | 20/04/2005 | 31/12/2008 | Gold |
| AMOCO (U.K.) EXPLORATION COMPANY, LLC | SF000790 | 01/10/2003 | 31/12/2008 | Silver |
| AMOCO U.K.PETROLEUM LIMITED | 00799710 | 01/10/2003 | 31/12/2008 | Not Trading |
| ARCO BRITISH LIMITED, LLC | FC005677 | 01/10/2003 | 31/12/2008 | Silver |
| BP AMOCO EXPLORATION (FAROES) LIMITED | 00856444 | 20/04/2005 | 31/12/2008 | Silver |
| BP EXPLORATION (ALPHA) LIMITED | 01021007 | 01/10/2003 | 31/12/2008 | Gold |
| BP EXPLORATION (DELTA) LIMITED | 00983913 | 20/04/2005 | 31/12/2008 | Silver |
| BP EXPLORATION (EPSILON) LIMITED | 01004984 | 20/04/2005 | 31/12/2008 | Silver |
| BP EXPLORATION BETA LIMITED | 00895797 | 01/10/2003 | 31/12/2008 | Gold |
| BP EXPLORATION INDONESIA LIMITED | 01009905 | 20/04/2005 | 31/12/2008 | One Red Flag |
| BP EXPLORATION OPERATING COMPANY LIMITED | 00305943 | 01/10/2003 | 31/12/2008 | Gold |
| BP SERVICES INTERNATIONAL LIMITED | 05319396 | 01/10/2006 | 31/12/2008 | Gold |
| BRITOIL LIMITED | SC077750 | 01/10/2003 | 31/12/2008 | Silver |
| BUCKEYE EXPLORATION LIMITED | 04504798 | 14/08/2007 | 31/12/2008 | Dissolved |
| CARBON-ELITE (SCOTLAND) LTD | SC658488 | 12/12/2021 | 21/11/2022 | Amber |
| CHRISTIE-ELITE NURSERIES LIMITED | SC056516 | 12/12/2021 | 21/11/2022 | Bronze |
| CORNERS TURNED LIMITED | SC336500 | 11/05/2009 | 19/11/2012 | Not Trading |
| EXPRO AX-S TECHNOLOGY LIMITED | 06381743 | 01/12/2009 | 16/01/2012 | Dissolved |
| EXPRO INTERNATIONAL GROUP HOLDINGS LIMITED | 06520356 | 25/11/2010 | 31/03/2016 | Dissolved |
| FASQUE FORESTRY LIMITED | SC624112 | 12/12/2021 | 21/11/2022 | One Red Flag |
| FASQUE GROUP LIMITED | SC699975 | 12/12/2021 | 21/11/2022 | Not Trading |
| GRANGEMOUTH HOLDINGS LIMITED | 05572972 | 23/09/2005 | 31/12/2008 | Dissolved |
| GRANGEMOUTH PROPERTIES LIMITED | 05572956 | 23/09/2005 | 31/12/2008 | Dissolved |
| HARBOUR ENERGY PLC | SC234781 | 10/08/2017 | 31/03/2021 | Silver |
| ITHACA PETROLEUM LIMITED | 05223667 | 11/08/2009 | 31/03/2012 | Bronze |
| SCOTTISH ENTERPRISE GRAMPIAN | SC118134 | 10/01/2005 | 31/03/2008 | Not Trading |
| THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED | 01119804 | 01/06/2005 | 20/01/2009 | Silver |