| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Rail Charter Ltd | 02851407 | 08/09/1993 | Dissolved |
| The Carriage & Traction Co Ltd | 02910688 | 28/03/1995 | Dissolved |
| The Laigh Milton Viaduct Conservation Trust | SC146190 | 30/08/1993 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Antiques & Fine Art Fund Ltd (The) | 03695424 | 11/02/1999 | 19/05/1999 | Dissolved |
| C.H. BAILEY GROUP LIMITED | 00190106 | 07/04/1998 | 04/03/2018 | Bronze |
| DART FREE HOUSES LIMITED | 01279635 | 28/07/1999 | 04/03/2018 | Not Trading |
| DART MARITIME ENTERPRISE LIMITED (THE) | 01250632 | 26/03/2003 | 04/03/2018 | Not Trading |
| DART PLEASURE CRAFT LIMITED | 01045776 | 28/07/1999 | 04/03/2018 | Gold |
| DART VALLEY RAILWAY LTD | 00852020 | 08/08/1991 | 04/03/2018 | Gold |
| DARTMOUTH INSURANCE GROUP (CONSULTANTS) LIMITED | 00915616 | 28/07/1999 | 04/03/2018 | Not Trading |
| FAIRBRIDGE (RESTORED) LIMITED | 00176613 | 02/07/1992 | 22/09/1994 | Dissolved |
| FAWLEY HILL WATER LTD | 05918663 | 29/08/2006 | 14/03/2018 | Dissolved |
| FFESTINIOG AND WELSH HIGHLAND RAILWAYS HERITAGE LIMITED | 02231595 | 03/10/2001 | 01/10/2003 | Silver |
| FLYING SCOTSMAN ENTERPRISES LTD | 05286193 | 16/11/2004 | 04/03/2018 | Amber |
| KEMPTON GREAT ENGINES TRUST LIMITED | 03094226 | 10/05/2005 | 04/03/2018 | Gold |
| MILLBROOK STEAMBOAT AND TRADING CO.LIMITED(THE) | 00238288 | 28/07/1999 | 04/03/2018 | Not Trading |
| PULLMAN RAIL PRIVATE HIRE LTD | 05324230 | 09/03/2012 | 04/03/2018 | Not Trading |
| RAILNEWS LIMITED | 03260010 | 10/01/1997 | 04/03/2018 | Bronze |
| ROMNEY HYTHE & DYMCHURCH RAILWAY PUBLIC LIMITED COMPANY | 01031179 | 30/06/1991 | 04/03/2018 | Dissolved |
| SIR WILLIAM MCALPINE LIMITED | 05118587 | 04/05/2004 | 14/03/2018 | Not Trading |
| SUPPORTERS OF NUCLEAR ENERGY LIMITED | 03576562 | 16/10/2000 | 04/03/2018 | Silver |
| THE BRITISH EMPIRE AND COMMONWEALTH MUSEUM | 04698817 | 20/06/2003 | 22/06/2006 | Dissolved |
| THE STEAMSHIP SIR WALTER SCOTT LIMITED | SC277474 | 11/07/2012 | 23/09/2015 | Bronze |
| THE STEAMSHIP SIR WALTER SCOTT TRUST | SC271149 | 04/02/2005 | 23/09/2015 | One Red Flag |
| VOLO HOLDINGS LIMITED | SC275991 | 23/12/2004 | 05/12/2007 | Silver |
| WEARDALE REALISATIONS CIC | 02823284 | 19/01/1994 | 26/06/2006 | Dissolved |