| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 00107661 LIMITED | 00107661 | 25/06/2019 | Dissolved |
| AURORA GROUP LIMITED | 00086849 | 01/07/2019 | Dissolved |
| ENPAR SPECIAL ALLOYS LIMITED | 00323612 | 25/06/2019 | Dissolved |
| ENTWISTLE LIMITED | 07186910 | 01/07/2019 | Dissolved |
| FIRTH RIXSON SUPERALLOYS LIMITED | 00620465 | 01/07/2019 | Dissolved |
| JFB INVESTMENTS LIMITED | 00223807 | 01/07/2019 | Dissolved |
| MEADOWHALL (EAB) LIMITED | 00068397 | 25/06/2019 | Dissolved |
| RIVER DON STAMPINGS LIMITED | 07677288 | 01/07/2019 | Dissolved |
| THOS. FIRTH & JOHN BROWN LIMITED | 07677284 | 01/07/2019 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALLOY TECHNOLOGIES (UK) LIMITED | 02965664 | 01/07/2019 | 16/12/2022 | Gold |
| ARCONIC UK HOLDINGS LIMITED | 04099001 | 01/07/2019 | 01/02/2020 | Silver |
| BRITISH ALUMINIUM LIMITED | 03981390 | 01/07/2019 | 16/12/2022 | Gold |
| ENPAR LIMITED | 07186879 | 01/07/2019 | 16/12/2022 | Not Trading |
| FIRTH BROWN LIMITED | 00670047 | 01/07/2019 | 16/12/2022 | Not Trading |
| FIRTH RIXSON (TRUSTEES) LIMITED | 00335825 | 03/04/2020 | 16/12/2022 | Not Trading |
| FIRTH RIXSON LIMITED | 00230737 | 01/07/2019 | 16/12/2022 | Gold |
| FIRTH RIXSON RINGS LIMITED | 02105081 | 01/07/2019 | 16/12/2022 | Not Trading |
| FORGINGS INTERNATIONAL HOLDINGS 1 LIMITED | 04597895 | 01/07/2019 | 16/12/2022 | Amber |
| FORGINGS INTERNATIONAL HOLDINGS 2 LIMITED | 04597897 | 01/07/2019 | 16/12/2022 | Amber |
| FORGINGS INTERNATIONAL HOLDINGS 3 LIMITED | 04597899 | 01/07/2019 | 16/12/2022 | Amber |
| FORGINGS INTERNATIONAL HOLDINGS LIMITED | 04606084 | 01/07/2019 | 16/12/2022 | Amber |
| FORGINGS INTERNATIONAL LIMITED | 04597905 | 01/07/2019 | 16/12/2022 | Gold |
| FR ACQUISITIONS CORPORATION (EUROPE) LIMITED | 06403563 | 01/07/2019 | 16/12/2022 | Bronze |
| HOWMET GLOBAL FASTENING SYSTEMS LIMITED | 07550495 | 01/07/2019 | 16/12/2022 | Gold |
| HOWMET HOLDINGS LIMITED | 09092129 | 01/07/2019 | 16/12/2022 | Bronze |
| HOWMET PRODUCTS UK LIMITED | 01927599 | 01/07/2019 | 16/12/2022 | Gold |
| JFB OVERSEAS HOLDINGS LIMITED | 00874317 | 01/07/2019 | 16/12/2022 | Gold |
| RTI EUROPE LIMITED | 03906707 | 01/07/2019 | 16/12/2022 | Amber |