| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BROOMCO (4266) LIMITED | 08664988 | 20/11/2013 | 13/11/2015 | Gold |
| CHROMALLOY METAL TECTONICS LIMITED | 01519807 | 27/08/2015 | 13/11/2015 | Gold |
| CHROMALLOY UK HOLDINGS LTD | 06440664 | 27/08/2015 | 13/11/2015 | Gold |
| CHROMALLOY UNITED KINGDOM LIMITED | 00971349 | 27/08/2015 | 13/11/2015 | Bronze |
| DAYINSURE.COM LIMITED | 04996289 | 06/04/2019 | 08/06/2020 | Bronze |
| SMW HOLDINGS LIMITED | 03628806 | 07/12/2016 | 16/06/2017 | Dissolved |
| SPECIAL METALS DEUTSCHLAND LIMITED | 01248622 | 08/12/2016 | 16/06/2017 | Gold |
| SPECIAL METALS SERVICES LIMITED | 03072597 | 07/12/2016 | 16/06/2017 | Gold |
| SPECIAL METALS WIGGIN LIMITED | 00036721 | 13/12/2016 | 16/06/2017 | Amber |
| TRAC AERO SERVICES LIMITED | 04614147 | 20/11/2013 | 13/11/2015 | Strike Off |
| TRAC GROUP LIMITED | 04441988 | 20/11/2013 | 13/11/2015 | Silver |
| TRAC HEATON LIMITED | 00845584 | 20/11/2013 | 13/11/2015 | Dissolved |
| TRAC MEXICO LIMITED | 06619197 | 20/11/2013 | 13/11/2015 | Strike Off |
| TRAC PRECISION ENGINEERING LIMITED | 00606325 | 20/11/2001 | 13/11/2015 | Dissolved |
| TRAC PRECISION SOLUTIONS LIMITED | 04870503 | 20/11/2003 | 13/11/2015 | Gold |
| TRAC TOOLING LIMITED | 01141695 | 20/11/2013 | 13/11/2015 | Dissolved |
| TRAC TURBINE TOOLING LIMITED | 02643452 | 20/11/2013 | 13/11/2015 | Dissolved |
| TRT LIMITED | 03924148 | 17/01/2012 | 13/11/2015 | Gold |
| TURBINE SURFACE TECHNOLOGIES LIMITED | 04040105 | 17/01/2012 | 13/11/2015 | Gold |