| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B.P. Purchasing (Electronics) Ltd | 01174239 | 01/07/2004 | Dissolved |
| CAER URFA LIMITED | 04673060 | 20/02/2003 | Bronze |
| Cambridge Reflexive Technology Ltd | 05082361 | 24/03/2004 | Dissolved |
| EBP REALISATIONS LIMITED | 06242789 | 05/08/2008 | Dissolved |
| ELEKTRON (UK) LIMITED | 03918506 | 23/02/2001 | Dissolved |
| SEEBECK 71 LIMITED | 06221274 | 05/08/2008 | Dissolved |
| TUNGZ LIMITED | 06297804 | 05/08/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B.P. Purchasing (Electronics) Ltd | 01174239 | 22/05/2001 | 17/01/2003 | Dissolved |
| BULGIN COMPONENTS LIMITED | 02895884 | 12/10/1998 | 17/01/2003 | Dissolved |
| Bulgin Ltd | 04167549 | 23/02/2001 | 17/01/2003 | Dissolved |
| CHECKIT PLC | 00448274 | 05/10/1998 | 31/05/2003 | Amber |
| COMTEST LIMITED | 02603145 | 09/04/1997 | 09/10/1998 | Amber |
| Cirkit Holdings Ltd | 00564058 | 22/05/2001 | 17/01/2003 | Dissolved |
| Continental Microwave Technology Ltd | 01845965 | 22/11/1991 | 07/01/1994 | Dissolved |
| GHH OLDCO 5 LIMITED | 06242792 | 05/08/2008 | 28/08/2009 | Dissolved |
| Kwell Ltd | 02406049 | 16/08/2001 | 17/01/2003 | Dissolved |
| MILMEGA LIMITED | 02185653 | 28/06/2000 | 28/06/2000 | Gold |
| MILMEGA LIMITED | 02185653 | 28/06/2000 | 17/01/2003 | Gold |
| NSB RETAIL | 01019473 | 11/04/1994 | 31/05/1996 | Dissolved |
| VOX GROUP LIMITED | 06664025 | 23/06/2009 | 22/08/2014 | Bronze |
| Vxi Ltd | 03996637 | 06/11/2000 | 17/01/2003 | Dissolved |