| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Arctic Electronics Ltd | 02892256 | 28/01/1994 | Dissolved |
| Blempalm Ltd | 01189232 | 31/10/1991 | Dissolved |
| Bounty Collectables Ltd | 03854888 | 01/02/2000 | Dissolved |
| Bounty Collectables Ltd | 03854888 | 25/07/2000 | Dissolved |
| Colakoglu (Uk) Ltd | 03905830 | 11/02/2000 | Dissolved |
| Consort Electronics Ltd | 01095744 | 26/07/1991 | Dissolved |
| MICROWAVE CONNECTORS (INTERNATIONAL) LIMITED | 01459002 | 26/07/1991 | Dissolved |
| Sales Representation Ltd | 01738133 | 23/07/1992 | Dissolved |
| Sigmatron Group Ltd | 01182696 | 26/10/1991 | Dissolved |
| Sigtech Electronics Ltd. | 02949577 | 18/07/1994 | Dissolved |
| TESTIME TECHNOLOGY (EUROPE) LIMITED | 08662947 | 27/08/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Arctic Microwave Ltd | 02967090 | 12/09/1994 | 09/08/1995 | Dissolved |
| DALGAR INVESTMENTS LIMITED | 00631705 | 01/04/1996 | 31/03/1997 | Gold |
| DALGAR LIMITED | 00631704 | 01/04/1996 | 31/03/1997 | Silver |
| FARNBOROUGH AEROSPACE CONSORTIUM LIMITED | 03360334 | 19/02/2014 | 25/04/2017 | Gold |
| Microwave Component Industries Limited | 01884839 | 30/06/1991 | 20/09/1995 | Dissolved |
| PHOENIX SELMAN LIMITED | 02710286 | 05/03/2000 | 02/08/2001 | Dissolved |
| SEMITRONICS LIMITED | 04870168 | 18/08/2003 | 17/04/2017 | Gold |
| TESTIME TECHNOLOGY LIMITED | 01859383 | 15/06/1991 | 17/04/2017 | Gold |
| TTL ELECTRONICS LIMITED | 05225887 | 08/09/2004 | 17/04/2017 | Silver |
| on Toast Group Plc | 03289895 | 19/02/1999 | 15/06/2001 | Dissolved |
| on Toast Ltd | 02868660 | 20/05/1999 | 15/06/2001 | Dissolved |