| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BRUEL & KJAER VTS LIMITED | 01539186 | 12/12/2008 | 01/03/2009 | Gold |
| Bishopblue Ltd | 02658657 | 30/01/1993 | 23/11/1994 | Dissolved |
| Castlet Electronics Ltd | 01922364 | 03/03/1995 | 01/02/1998 | Dissolved |
| Donachieblue Ltd | 01418509 | 01/10/1991 | 23/11/1994 | Dissolved |
| Freeman,Alan,Engineering Co Ltd | 01259027 | 01/10/1992 | 23/11/1994 | Dissolved |
| Goaterblue Ltd | 02946409 | 03/03/1995 | 01/02/1998 | Dissolved |
| OMITEC LIMITED | 00998111 | 01/10/1992 | 23/11/1994 | Dissolved |
| Pollockblue Ltd | 00927749 | 12/09/1991 | 23/11/1994 | Dissolved |
| Royleblue Ltd | 01580806 | 01/10/1992 | 23/11/1994 | Dissolved |
| SOLVERA PLC | 00196908 | 01/10/1992 | 23/11/1994 | One Red Flag |
| Solvera Information Services Ltd | 00460207 | 17/10/1991 | 23/11/1994 | Dissolved |
| TAYLORBLUE LIMITED | 01163701 | 03/03/1995 | 01/02/1998 | Dissolved |
| THALES OPTICAL IMAGING LIMITED | 00036219 | 01/10/1992 | 23/11/1994 | Dissolved |
| Whitleyblue Ltd | 01770732 | 01/10/1992 | 23/11/1994 | Dissolved |
| Wiekensblue Ltd | 02076734 | 01/10/1992 | 23/11/1994 | Dissolved |