| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Apoloco Ltd | 01425465 | 11/09/1996 | Dissolved |
| INSTEM ASSOCIATES LIMITED | 04827708 | 19/08/2003 | Dissolved |
| Inhoco 743 Ltd | 03503315 | 29/04/1998 | Dissolved |
| Instem Technologies Ltd | 03548213 | 03/07/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 05471427 LTD | 05471427 | 31/10/2005 | 31/07/2007 | Dissolved |
| CAPULA LIMITED | 00953504 | 30/05/1995 | 08/09/2000 | Gold |
| Fw (Data Systems) Ltd | 02103213 | 06/10/1999 | 29/06/2001 | Dissolved |
| INSTEM LIFE SCIENCE SYSTEMS LIMITED | 04339129 | 19/02/2002 | 11/02/2009 | Amber |
| INSTEM LSS (NORTH AMERICA) LIMITED | 02126697 | 11/09/1996 | 11/02/2009 | Bronze |
| INSTEM LSS LIMITED | 03548215 | 03/07/1998 | 11/02/2009 | Bronze |
| METSIN LIMITED | 03328443 | 25/06/1998 | 08/09/2000 | Dissolved |
| SINTEM LIMITED | 01598518 | 26/05/1998 | 08/09/2000 | Dissolved |
| TENSIM LIMITED | 03548212 | 03/07/1998 | 08/09/2000 | Dissolved |