| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AETC LIMITED | 03206792 | 12/08/2008 | Gold |
| ALEXANDER SOCKET SCREWS LIMITED | 01758383 | 12/08/2008 | Dissolved |
| CALEDONIAN ALLOYS GROUP LIMITED | SC217265 | 12/08/2008 | Dissolved |
| CALEDONIAN ALLOYS LIMITED | SC162625 | 12/08/2008 | Silver |
| PCC UK GLOBAL HOLDINGS LIMITED | 06102611 | 24/01/2013 | 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 | 12/08/2008 | Bronze |
| T.J. BROOKS LTD | 00322547 | 12/08/2008 | Not Trading |
| TIMET EUROPE LIMITED | 03871506 | 24/01/2013 | Gold |
| TIMET UK (EXPORT) LIMITED | 01641090 | 24/01/2013 | Dissolved |
| TIMET UK LIMITED | 00530589 | 24/01/2013 | Silver |
| TITANIUM MC LIMITED | 00501623 | 24/01/2013 | Dissolved |
| UNBRAKO LIMITED | 00359689 | 12/08/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A F AEROSPACE LIMITED | 03008968 | 30/09/2008 | 30/03/2012 | Dissolved |
| AIRDROME PARTS CO.,LIMITED | 04976863 | 30/09/2008 | 30/03/2012 | Dissolved |
| PCC FLOW TECHNOLOGIES LIMITED | SC057099 | 27/02/1998 | 26/09/2013 | Dissolved |
| SBP HOLDINGS LIMITED | 03512626 | 09/08/2011 | 03/05/2013 | Not Trading |
| THE CALEY GROUP LIMITED | SC162624 | 12/08/2008 | 14/02/2011 | Dissolved |
| TRIUMPH AEROSPACE OPERATIONS UK, LTD. | 00706645 | 09/08/2011 | 03/05/2013 | Amber |
| TRIUMPH STRUCTURES INTERNATIONAL, LTD. | 06207544 | 09/08/2011 | 03/05/2013 | Not Trading |