| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| HARLAW ENERGY LTD | SC661639 | 19/05/2020 | Dissolved |
| SENTINEL SUBSEA LTD | SC594299 | 07/09/2021 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERDEEN AND GRAMPIAN CHAMBER OF COMMERCE | SC000791 | 02/09/2020 | 21/12/2021 | Silver |
| CNOOC ETTRICK U.K. LIMITED | 03976014 | 01/09/2013 | 04/03/2014 | Silver |
| CNOOC PETROLEUM EUROPE LIMITED | 01051137 | 01/09/2013 | 04/03/2014 | Silver |
| CNOOC PETROLEUM FARRAGON U.K. LIMITED | 05645503 | 01/09/2013 | 04/03/2014 | Silver |
| CNOOC PETROLEUM MAURITANIA LIMITED | 11900990 | 23/03/2019 | 06/03/2020 | Silver |
| CNOOC UK LIMITED | 08391492 | 09/06/2015 | 06/03/2020 | Silver |
| MAREX MARINE SERVICES LIMITED | 00793999 | 01/07/2020 | 01/07/2022 | One Red Flag |
| NET ZERO TECHNOLOGY CENTRE LIMITED | SC531384 | 18/01/2017 | 24/02/2020 | Amber |
| NEXEN PETROLEUM U.K. HOLDINGS LIMITED | 05259891 | 09/06/2015 | 06/03/2020 | Bronze |
| NEXEN RESOURCE HOLDINGS U.K. LIMITED | 08794312 | 09/06/2015 | 06/03/2020 | Dissolved |
| OFFSHORE TRAINING FOUNDATION | SC229139 | 01/04/2008 | 11/02/2016 | Gold |
| OPITO LIMITED | SC152175 | 19/04/2007 | 11/02/2016 | Amber |
| OPITO TRAINING MANAGEMENT LIMITED | SC260821 | 13/01/2005 | 28/02/2007 | Silver |
| PX UK HOLDCO1 LIMITED | 10079221 | 01/06/2020 | 27/04/2021 | Dissolved |
| SCOTTISH CHAMBERS OF COMMERCE LIMITED | SC313336 | 08/05/2015 | 31/05/2018 | Gold |
| THE SCOTTISH COUNCIL FOR DEVELOPMENT AND INDUSTRY | SC024724 | 19/01/2018 | 12/02/2019 | Amber |
| THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED | 01119804 | 15/07/2015 | 06/03/2020 | Bronze |