| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| A B B Daimler-Benz Transportation (Customer Support Chart Le | 02968614 | 23/09/2000 | Dissolved |
| A B B Daimler-Benz Transportation (Property) Ltd | 02084503 | 23/09/2000 | Dissolved |
| ABB DAIMLER-BENZ TRANSPORTATION (CUSTOMER SUPPORT ILFORD) LIMITED | 02968495 | 23/09/2000 | Dissolved |
| ARROW LIGHT RAIL HOLDINGS LIMITED | 03942480 | 20/11/2003 | Dissolved |
| Collins Associates (Directional Drilling) Ltd | SC100074 | 19/08/1993 | Dissolved |
| EUROFERRIES LIMITED | 05674518 | 05/03/2009 | Dissolved |
| Eagle Shipping Ltd | 02420988 | 31/12/1990 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABB DAIMLER-BENZ TRANSPORTATION (CUSTOMER SUPPORT DONCASTER) LIMITED | 02968560 | 23/09/2000 | 03/01/2008 | Dissolved |
| ALSTOM (LITCHURCH) LIMITED | 01712661 | 26/01/1998 | 18/06/2004 | Silver |
| ALSTOM ELECTRONICS LIMITED | 02988520 | 23/06/1998 | 18/06/2004 | Amber |
| ALSTOM ENGINEERING AND SERVICES LIMITED | 02235994 | 26/01/1998 | 18/06/2004 | Bronze |
| ARROW LIGHT RAIL LIMITED | 03942516 | 20/11/2003 | 15/12/2011 | Dissolved |
| BILFINGER SALAMIS UK LIMITED | SC054207 | 31/12/1988 | 30/11/1997 | Silver |
| BOMBARDIER TRANSPORTATION (GAUTRAIN) UK LIMITED | 03138093 | 07/11/2002 | 18/06/2004 | Dissolved |
| BOMBARDIER TRANSPORTATION (PROJECTS) UK LIMITED | 04433533 | 08/05/2002 | 18/06/2004 | Dissolved |
| BOMBARDIER TRANSPORTATION (SIGNAL) UK LTD | 03062720 | 08/05/2002 | 18/06/2004 | Dissolved |
| Bombardier Capital U.K. Ltd | 03646933 | 06/02/2003 | 18/06/2004 | Dissolved |
| Bombardier Transportation (Notified Body) Uk Ltd | 03032805 | 11/10/1999 | 18/06/2004 | Dissolved |
| CLASS 345 TRAINS LIMITED | 00653221 | 25/08/1998 | 18/06/2004 | Dissolved |
| CROSSFLEET LIMITED | 03614181 | 10/12/2001 | 18/06/2004 | Bronze |
| DANIAMANT LIMITED | 05696973 | 25/04/2006 | 24/06/2010 | Bronze |
| DANIAMANT LIMITED | 05696973 | 25/04/2006 | 24/06/2010 | Bronze |
| DEME OFFSHORE UK LIMITED | 04709008 | 30/05/2003 | 30/06/2009 | Dissolved |
| DEME OFFSHORE UK LIMITED | 04709008 | 30/05/2003 | 30/06/2009 | Dissolved |
| DESMI RO-CLEAN LTD. | 01278657 | 24/07/1991 | 04/05/1993 | Dissolved |
| Enterprise Rail Ltd | 03693834 | 11/01/1999 | 18/06/2004 | Dissolved |
| FUGRO SL LIMITED | 02241479 | 24/09/1991 | 27/02/1997 | Dissolved |
| Guardian Premium Tubular Services Ltd | SC081625 | 03/12/1988 | 12/05/1992 | Dissolved |
| LPA GROUP PLC | 00686429 | 19/12/2007 | 21/03/2018 | Gold |
| MAERSK COMPANY LIMITED(THE) | 00493147 | 25/11/1993 | 25/09/1997 | Amber |
| MAERSK CREWING LIMITED | 01662682 | 12/06/1991 | 30/04/1993 | Dissolved |
| MAERSK OIL EXPLORATION UK LIMITED | 02609436 | 13/03/1992 | 31/05/1993 | Dissolved |
| MB SHIPBROKERS (UK) LIMITED | 01744130 | 13/02/1992 | 30/04/1993 | Amber |
| MCC TRANSPORT LIMITED | 01529575 | 20/07/1991 | 30/04/1993 | Dissolved |
| MNOPF TRUSTEES LIMITED | 00333017 | 25/07/1992 | 13/07/1993 | Bronze |
| Maersk Industrial Holdings U K Ltd | 01890623 | 13/02/1992 | 30/04/1993 | Dissolved |
| PRORAIL LIMITED | 01314819 | 10/12/2001 | 18/06/2004 | Amber |
| RAIL MEDIA GROUP LIMITED | 05278463 | 15/12/2004 | 05/11/2010 | Not Trading |
| RAILSTAFF SELECT LIMITED | 03460745 | 15/12/2004 | 15/01/2011 | Silver |
| RL REALISATIONS 2013 LIMITED | 04603607 | 24/01/2005 | 17/08/2009 | Dissolved |
| SKYKON CAMPBELTOWN LIMITED | SC350678 | 10/08/2009 | 30/09/2009 | Dissolved |
| SOUTH EASTERN TRAIN MAINTENANCE LIMITED | 03341029 | 01/03/1998 | 20/11/2002 | Not Trading |
| Sea-Land Logistics Uk Ltd | 01895662 | 13/02/1992 | 30/09/1992 | Dissolved |
| TEE MANAGEMENT LTD | 05169806 | 05/07/2004 | 05/07/2019 | Dissolved |