| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| LAB901 LIMITED | SC225667 | 25/02/2011 | Dissolved |
| MAGNEX SCIENTIFIC | 03987988 | 03/06/2010 | Dissolved |
| OXFORD DIFFRACTION LIMITED | 04020656 | 03/06/2010 | Dissolved |
| PL INTERNATIONAL | 02889078 | 03/06/2010 | Dissolved |
| POLYMER LABORATORIES | 02948069 | 03/06/2010 | Dissolved |
| SCREEN TAPE LIMITED | SC284868 | 25/02/2011 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AGILENT TECHNOLOGIES UK LIMITED | 03844711 | 01/11/2004 | 24/01/2014 | Dissolved |
| BT & D TECHNOLOGIES LIMITED | 02002979 | 01/11/2004 | 24/01/2014 | Dissolved |
| HYCOR BIOMEDICAL LIMITED | SC122739 | 01/11/2007 | 01/02/2010 | Dissolved |
| KEYSIGHT TECHNOLOGIES UK LIMITED | 03809903 | 01/11/2004 | 24/01/2014 | Gold |
| LIBRA (SYSCOM) LIMITED | SC149832 | 01/11/2004 | 24/01/2014 | Not Trading |
| VARIAN LIMITED | 01508692 | 03/06/2010 | 24/01/2014 | Dissolved |