| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALLENWEST GROUP LIMITED | SC371601 | 19/04/2021 | Silver |
| ALLENWEST LIMITED | SC193267 | 19/04/2021 | Amber |
| ALLENWEST PIONEER LIMITED | 13244092 | 04/03/2021 | Amber |
| BALDWIN & FRANCIS LIMITED | 12246054 | 07/10/2019 | Amber |
| EX-TECH PIONEER LIMITED | 14846475 | 04/05/2023 | Amber |
| IDESO GROUP LTD | 13656126 | 25/11/2021 | Amber |
| INSPEC SOLUTIONS LTD | 03835537 | 27/06/2022 | Gold |
| PETREL LIMITED | 01539429 | 22/02/2024 | Gold |
| PETREL PIONEER LIMITED | 15455554 | 31/01/2024 | Amber |
| PIONEER SAFETY GROUP LIMITED | 14846393 | 04/05/2023 | Amber |
| PYROBAN ENVIROSAFE LIMITED | 03131901 | 17/11/2017 | Dissolved |
| PYROBAN GROUP LIMITED | 02514042 | 17/11/2017 | Amber |
| PYROBAN LIMITED | 01390808 | 17/11/2017 | Gold |
| PYROPRESS (PROPCO) LIMITED | 11162722 | 22/01/2018 | Bronze |
| PYROPRESS ENGINEERING COMPANY LIMITED(THE) | 00502781 | 17/11/2017 | Dissolved |
| PYROPRESS LIMITED | 11162583 | 22/01/2018 | Silver |
| SEAFOX PIONEER BENELUX LIMITED | 11065346 | 15/11/2017 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARKANUM MANAGEMENT LIMITED | 05266738 | 03/06/2019 | 09/01/2023 | Bronze |
| MALVAR ENGINEERING LIMITED | 09318845 | 03/06/2019 | 09/01/2023 | Silver |
| OC ENGINEERING SERVICES LIMITED | 09522282 | 26/05/2021 | 08/02/2023 | Bronze |
| WAKEFIELD ACOUSTICS LIMITED | 01508543 | 03/06/2019 | 09/01/2023 | Amber |