| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AUIPLN (1998) LIMITED | 03551047 | 17/04/1998 | Dissolved |
| AXIS RAIL MAINTENANCE (SCOTLAND) LIMITED | SC337833 | 14/02/2008 | Dissolved |
| C G W Engineering Ltd | 00461758 | 25/12/1990 | Dissolved |
| CALLVEST PLC | 00911271 | 04/08/1991 | Insolvent |
| Callvest Holdings Ltd | 02594378 | 27/09/1991 | Dissolved |
| F M RAIL LIMITED | 03268963 | 24/10/1996 | Dissolved |
| G A S V Ltd | 00389272 | 25/12/1990 | Dissolved |
| HOMEFIELD HOMES LIMITED | 05721215 | 24/02/2006 | Dissolved |
| HOMEFIELD LIVING LIMITED | 11506122 | 08/08/2018 | Amber |
| HUNTER GROUP PLC | 02298733 | 24/12/1991 | Dissolved |
| HUNTER OFF-SITE LIMITED | 06567163 | 16/04/2008 | Dissolved |
| Hand Picked Events Ltd | 05869115 | 26/07/2006 | Dissolved |
| Kent Tube & Fittings Limited | 00787964 | 25/12/1990 | Dissolved |
| Kilnhurst Engineering Ltd | 00375193 | 27/12/1991 | Dissolved |
| Merlin Trains Ltd | 04431221 | 03/05/2002 | Dissolved |
| North Luton Systems Ltd | 01800339 | 25/12/1990 | Dissolved |
| Plastiers Ltd | 00421825 | 11/01/2005 | Dissolved |
| Plastiers Ltd | 00421825 | 27/12/1991 | Dissolved |
| RESCO RAILWAYS LIMITED | 01385270 | 25/12/1990 | Dissolved |
| Rawe Transport(Woolwich)limited | 00414019 | 25/12/1990 | Dissolved |
| Resco Europe Ltd | 06620361 | 16/06/2008 | Dissolved |
| SHR PROJECTS LIMITED | 02466246 | 21/03/1997 | Dissolved |
| SHR PROJECTS LIMITED | 02466246 | 02/02/1991 | Dissolved |
| THE CLASSICAL PROM COMPANY LIMITED | 05018248 | 21/11/2006 | Dissolved |
| The Acoustic Holding & Manufacturing Co Ltd | 01703473 | 22/06/1991 | Dissolved |
| WATERLOO AIR MANAGEMENT PLC. | 00697059 | 25/12/1990 | Dissolved |
| Waterloo Ozonair Ltd | 00131863 | 25/12/1990 | Dissolved |
| Woodway Ltd | 02666001 | 06/02/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRCELL VENTILATION LIMITED | 07507522 | 27/01/2011 | 10/03/2020 | Dissolved |
| RESCO RAILWAYS LIMITED | 01385270 | 21/03/1997 | 27/09/1997 | Dissolved |
| ROTHER VALLEY RAILWAY LIMITED | 02613553 | 22/05/1991 | 27/12/2003 | Bronze |
| THE SCOTTISH HIGHLAND RAILWAY COMPANY LIMITED | 06565698 | 15/04/2008 | 15/05/2008 | Bronze |
| The Britannia Locomotive Co Ltd | 00970562 | 06/05/1991 | 09/03/2001 | Dissolved |
| WATERLOO AIR PRODUCTS LIMITED | 04911865 | 25/09/2003 | 10/03/2020 | Bronze |
| WATERLOO GROUP LIMITED | 04934917 | 21/11/2003 | 10/03/2020 | Bronze |