| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Classburn (Teddington) Ltd | 00808166 | 22/05/1992 | Dissolved |
| Classburn Group Ltd | 02056853 | 01/07/1991 | Dissolved |
| Classburn Ltd | 00505537 | 22/05/1992 | Dissolved |
| Drax Associates Ltd | 05869599 | 07/07/2006 | Dissolved |
| GAMBLE RAIL LIMITED | 06404419 | 25/03/2008 | Dissolved |
| M & C SUPPORT SERVICES LIMITED | 08763880 | 06/11/2013 | Dissolved |
| M & E Bearings and Seals Ltd | 00599077 | 01/07/1991 | Dissolved |
| M & E Seals Ltd | 00946945 | 22/05/1992 | Dissolved |
| Mecro Properties Ltd | 00957648 | 22/05/1992 | Dissolved |
| Spectrum Rail Ltd | 06798147 | 22/01/2009 | Dissolved |
| Spectrum Rail Ltd | 06798147 | 22/01/2009 | Dissolved |
| Surrey Materials Inspection Systems Ltd | 02931882 | 11/09/1998 | Dissolved |
| Surrey Medical Imaging Systems Ltd | 02738624 | 11/09/1998 | Dissolved |
| Surrey Medical Ltd | 03122637 | 11/09/1998 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| B D G MANAGEMENT LIMITED | 05584434 | 06/10/2005 | 21/11/2005 | Silver |
| B D G MANAGEMENT LIMITED | 05584434 | 06/10/2005 | 21/11/2005 | Silver |
| BELLWATER LIMITED | 02599659 | 11/02/2000 | 12/01/2007 | Dissolved |
| Classburn Group Ltd | 02056853 | 22/05/1991 | 01/10/1991 | Dissolved |
| HOLLERAN GROUP LIMITED | 04062398 | 01/10/2005 | 28/03/2006 | One Red Flag |
| KELTBRAY RAIL LIMITED | 06000882 | 10/09/2010 | 06/03/2012 | Bronze |
| M & E Bearings and Seals Ltd | 00599077 | 22/05/1991 | 01/10/1991 | Dissolved |
| M-TEC LIMITED | 02800217 | 25/08/1994 | 28/02/1997 | Not Trading |
| M. HOLLERAN LIMITED | 01892841 | 01/07/2005 | 29/03/2006 | Dissolved |
| M. HOLLERAN LIMITED | 01892841 | 01/07/2005 | 29/03/2006 | Dissolved |
| S M I S Ltd | 01875407 | 11/09/1998 | 23/06/2004 | Dissolved |
| SERVOMEX GROUP LIMITED | 02170458 | 21/08/2006 | 19/01/2007 | Silver |
| SERVOMEX GROUP LIMITED | 02170458 | 21/08/2006 | 21/08/2006 | Silver |