| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Bowford Twi Ltd | 02629997 | 13/10/1992 | Dissolved |
| Cambridge Power Beams Ltd | 02481941 | 01/10/1992 | Dissolved |
| Paintline Ltd | 01905941 | 01/10/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABINGTON PARK LIMITED | 03587952 | 28/07/2004 | 14/09/2010 | Not Trading |
| AIRTO LIMITED | 01217006 | 29/07/2004 | 01/12/2010 | Silver |
| ARGYLL RUANE LIMITED | 01917207 | 19/06/1995 | 24/11/1998 | One Red Flag |
| BARRIKADE LIMITED | 04026476 | 08/08/2000 | 14/09/2010 | Dissolved |
| CAMBRIDGE KIEV JOINING TECHNOLOGY LIMITED | 02660119 | 28/07/2004 | 14/09/2010 | Dissolved |
| CETMAN | 04426904 | 29/04/2002 | 21/02/2011 | Dissolved |
| GRANTA CENTRE LIMITED | 04026422 | 08/08/2000 | 27/07/2004 | Dissolved |
| GRANTA PARK ESTATES LIMITED | 02558329 | 28/07/2004 | 16/03/2012 | Silver |
| GRANTA PARK LIMITED | 03455563 | 05/08/2005 | 30/06/2010 | Dissolved |
| MATERIALS UK | 05809326 | 18/12/2006 | 14/09/2010 | Not Trading |
| PLANT INTEGRITY LIMITED | 03341703 | 01/01/2001 | 14/09/2010 | Bronze |
| THE MANUFACTURING TECHNOLOGY CENTRE LIMITED | 06815480 | 16/03/2009 | 10/12/2010 | Silver |
| TWI ESTATES LIMITED | 03203074 | 28/07/2004 | 14/09/2010 | Silver |
| TWI TECHNOLOGY TRUST | 04323948 | 16/11/2001 | 19/08/2010 | Dissolved |
| The Management Consulting Co Ltd | 02538166 | 01/09/1992 | 31/12/1995 | Dissolved |
| VITRESYN LIMITED | 04026459 | 08/08/2000 | 14/09/2010 | Dissolved |