| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AETC LIMITED | 03206792 | 01/06/2013 | Gold |
| CALEDONIAN ALLOYS GROUP LIMITED | SC217265 | 01/06/2013 | Dissolved |
| CALEDONIAN ALLOYS LIMITED | SC162625 | 01/06/2013 | Silver |
| K G COATING LIMITED | 02981419 | 01/08/2014 | Silver |
| KG NEWCO LTD | 08272250 | 01/08/2014 | Dissolved |
| PCC UK FINANCE LIMITED | 15107556 | 31/08/2023 | Bronze |
| PCC UK GLOBAL HOLDINGS LIMITED | 06102611 | 01/06/2013 | Silver |
| SOS METALS (EUROPE) HOLDINGS LTD | 07111650 | 31/12/2013 | Dissolved |
| SOS METALS (UK) LIMITED | 06272151 | 31/12/2013 | Dissolved |
| SPECIAL METALS WIGGIN LIMITED | 00036721 | 01/06/2013 | Bronze |
| SPS CHEVRON LIMITED | 03645978 | 01/07/2021 | Dissolved |
| SPS TECHNOLOGIES LIMITED | 00303951 | 01/06/2013 | Gold |
| TIMET EUROPE LIMITED | 03871506 | 01/06/2013 | Gold |
| TIMET UK (EXPORT) LIMITED | 01641090 | 01/06/2013 | Dissolved |
| TIMET UK LIMITED | 00530589 | 01/06/2013 | Silver |
| TITANIUM MC LIMITED | 00501623 | 01/06/2013 | Dissolved |
| WYMAN-GORDON (LINCOLN) LIMITED | 03978221 | 01/06/2013 | Dissolved |
| WYMAN-GORDON LIMITED | 02889486 | 01/06/2013 | Gold |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|