| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Humitrace Ltd | 02594531 | 19/03/2004 | Dissolved |
| SANGAMO LIGHTING LIMITED | 02105776 | 23/02/2009 | Dissolved |
| SONTAY LIMITED | 04897542 | 19/03/2004 | Gold |
| Sontay Controls Ltd | 01426626 | 19/03/2004 | Dissolved |
| Sontay Open Systems Ltd | 03538042 | 19/03/2004 | Dissolved |
| Wjm 4 Ltd | SC298019 | 31/07/2006 | Dissolved |
| Wound Magnetics Ltd | SC139120 | 31/07/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAL CONTROLS LIMITED | 00752901 | 03/02/1997 | 20/11/1998 | Dissolved |
| COMARK LIMITED | 02929930 | 03/02/1997 | 20/11/1998 | Dissolved |
| Controls & Automation Ltd | 01570454 | 13/08/1997 | 26/02/1999 | Dissolved |
| DATAPAQ LIMITED | 01777666 | 03/02/1997 | 20/11/1998 | Gold |
| Instsys Ltd | 00883051 | 03/02/1997 | 07/01/1999 | Dissolved |
| KERRY ULTRASONICS LIMITED | 00594282 | 16/08/1991 | 30/04/1995 | Not Trading |
| Quota Group Ltd | 02631125 | 13/08/1997 | 20/11/1998 | Dissolved |
| SANGAMO LIMITED | 04494864 | 29/11/2002 | 28/02/2018 | Silver |
| Triapt Holdings Ltd | 03742548 | 29/10/1999 | 31/03/2004 | Dissolved |
| Uniphax (Parts) Ltd | 00979104 | 07/04/1993 | 03/04/1995 | Dissolved |