| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRB (RESIDUARY) LIMITED | 04146505 | 30/03/2001 | Dissolved |
| BRB (RESIDUARY) LIMITED | 04146505 | 24/01/2001 | Dissolved |
| Cross Channel Catering Services Ltd | 02235864 | 25/10/2002 | Dissolved |
| DIESEL TRAINS LIMITED | 06829571 | 24/08/2009 | Dissolved |
| DOA LIMITED | 03168642 | 30/08/2005 | Dissolved |
| Raildirect Ltd | 03204632 | 25/10/2002 | Dissolved |
| SOUTH EASTERN TRAINS LIMITED | 03666306 | 01/04/2006 | Dissolved |
| South Eastern Trains (Holdings) Ltd | 03266770 | 07/11/2003 | Dissolved |
| Sra Transport Ltd | 00333681 | 25/10/2002 | Dissolved |
| Thameslink 2000 Ltd | 02767002 | 25/10/2002 | Dissolved |
| WHITTLES PROPERTIES LIVERPOOL LIMITED | 06798467 | 22/01/2009 | Dissolved |
| Whittles (Islington) Ltd | 02748643 | 25/10/2002 | Dissolved |
| Xbit Ltd | 01738836 | 20/10/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOMBARDIER TRANSPORTATION (SIGNAL) UK LTD | 03062720 | 15/12/1995 | 04/01/1996 | Dissolved |
| BRITISH RAIL ENGINEERING LIMITED | 00965219 | 25/10/2002 | 30/09/2013 | Not Trading |
| BRITISH RAIL LIMITED | 03159175 | 25/10/2002 | 30/09/2013 | Not Trading |
| BRITISH RAILWAYS BOARD LIMITED | 03159054 | 25/10/2002 | 30/09/2013 | Not Trading |
| BRITISH RAILWAYS LIMITED | 03019758 | 25/10/2002 | 30/09/2013 | Not Trading |
| BRITISH TRANSPORT HOTELS LIMITED | 00735306 | 25/10/2002 | 30/09/2013 | Not Trading |
| GRESTY ROAD SUPPLIES LIMITED | 03204642 | 22/05/1996 | 31/01/1997 | Dissolved |
| Ntrco Ltd | 03159107 | 22/05/1996 | 23/05/1996 | Dissolved |
| O.B.S SERVICES LIMITED | 03107285 | 02/10/1995 | 03/10/1995 | Dissolved |
| OPAL ENGINEERING LIMITED | 03204631 | 22/05/1996 | 14/02/1997 | Dissolved |
| PULLMAN CAR COMPANY LIMITED(THE) | 00141798 | 25/10/2002 | 30/09/2013 | Not Trading |
| RAIL EUROPE GROUP LTD | 03334126 | 11/03/1997 | 24/03/1997 | Insolvent |
| RAIL SETTLEMENT PLAN LIMITED | 03069042 | 15/06/1995 | 30/10/1996 | Bronze |
| RFD (CHANNEL TUNNEL) LIMITED | 01014180 | 25/10/2002 | 30/09/2013 | Not Trading |
| RTC REGENERATION 2015 LIMITED | 06814955 | 10/02/2009 | 30/09/2013 | Silver |
| SCIENTIFICS LIMITED | 03204613 | 22/05/1996 | 09/12/1996 | Not Trading |
| SOUTH EASTERN TRAINS LIMITED | 03666306 | 19/06/2003 | 07/11/2003 | Dissolved |
| Sra Investment Co Ltd | 04212658 | 01/08/2001 | 25/10/2004 | Dissolved |
| Thales No. 1 Ltd | 02503397 | 25/10/1993 | 21/12/1995 | Dissolved |
| WHITTLES PROPERTIES BRUNEL LIMITED | 06815148 | 10/02/2009 | 30/09/2013 | One Red Flag |
| WHITTLES PROPERTIES CREWE LIMITED | 06815151 | 10/02/2009 | 30/09/2013 | Dissolved |
| WHITTLES PROPERTIES CROYDON LIMITED | 06815154 | 10/02/2009 | 30/09/2013 | Amber |
| WHITTLES PROPERTIES MANCHESTER LIMITED | 06815134 | 10/02/2009 | 30/09/2013 | Silver |