| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AMEC FOSTER WHEELER ENERGY LIMITED | 01361134 | 30/06/2018 | Bronze |
| ATTRIC LTD | 06134174 | 30/06/2018 | Dissolved |
| ENTERPRISE ENGINEERING SERVICES LIMITED | SC332739 | 01/02/2015 | Dissolved |
| ENTERPRISE FABRICATION SERVICES LIMITED | SC348851 | 01/02/2015 | Dissolved |
| LEADGATE PLANT HIRE LIMITED | 07883896 | 16/12/2013 | Dissolved |
| NORTHERN INTEGRATED SERVICES LIMITED | SC195682 | 21/05/2012 | Dissolved |
| PRODUCTION SERVICES NETWORK (UK) LIMITED | SC293004 | 01/02/2015 | One Red Flag |
| PRODUCTION SERVICES NETWORK CORPORATE LIMITED | SC332737 | 01/02/2015 | Dissolved |
| SIGMA 3 (NORTH SEA) LIMITED | SC224630 | 16/05/2011 | Dissolved |
| THE UK OFFSHORE ENERGIES ASSOCIATION LIMITED | 01119804 | 13/03/2024 | One Red Flag |
| WGPSN (HOLDINGS) LIMITED | SC288570 | 01/02/2015 | Bronze |
| WOOD GROUP HR LIMITED | SC391218 | 01/08/2013 | Dissolved |
| WOOD GROUP UK LIMITED | SC296737 | 01/09/2013 | Amber |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABERDEEN AND GRAMPIAN CHAMBER OF COMMERCE | SC000791 | 17/06/2015 | 07/05/2024 | Silver |
| AMEC FOSTER WHEELER GROUP LIMITED | 04612748 | 30/11/2017 | 05/11/2020 | Silver |
| FOSTER WHEELER (G.B.) LIMITED | 00745470 | 30/06/2018 | 05/11/2020 | Silver |
| FOSTER WHEELER E&C LIMITED | 02247293 | 30/06/2018 | 05/11/2020 | Not Trading |
| FOSTER WHEELER WORLD SERVICES LIMITED | 01439353 | 30/06/2018 | 05/11/2020 | Silver |
| HFA LIMITED | SC129298 | 08/02/2012 | 05/11/2020 | Gold |
| KAEFER INDUSTRIAL SERVICES LIMITED | 05159696 | 03/08/2017 | 05/02/2020 | Not Trading |
| PRODUCTION SERVICES NETWORK BANGLADESH LIMITED | 02214332 | 01/02/2015 | 05/11/2020 | Not Trading |
| PSN (ANGOLA) LIMITED | SC311500 | 01/02/2015 | 05/11/2020 | Not Trading |
| PSN (PHILIPPINES) LIMITED | SC345547 | 01/02/2015 | 05/11/2020 | Bronze |
| PSN OVERSEAS LIMITED | SC319469 | 01/02/2015 | 05/11/2020 | Silver |
| PYEROY LIMITED | 01126224 | 16/12/2013 | 04/05/2015 | Not Trading |
| QED INTERNATIONAL (UK) LIMITED | SC106477 | 30/11/2017 | 11/11/2020 | Gold |
| SULZER (ABERDEEN) LIMITED | SC147952 | 01/01/2014 | 04/05/2015 | Bronze |
| WGPSN EURASIA LIMITED | SC470501 | 01/02/2015 | 05/11/2020 | Bronze |
| WOOD GROUP ENGINEERING (NORTH SEA) LIMITED | SC030715 | 01/02/2012 | 06/11/2020 | Gold |
| WOOD GROUP PRODUCTION SERVICES UK LIMITED | SC278252 | 01/02/2015 | 05/11/2020 | Amber |
| WOOD TRANSMISSION AND DISTRIBUTION LIMITED | 11829648 | 15/02/2019 | 05/11/2020 | Bronze |