| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 12-19 CHEYNE GARDENS LONDON LIMITED | 07225369 | 10/01/2011 | One Red Flag |
| BOILER AND ENGINEERING SKILLS TRAINING TRUST | 05677191 | 01/09/2011 | Silver |
| HERITAGE AFLOAT | 03126120 | 14/11/1995 | Dissolved |
| MARITIME HERITAGE SERVICES LIMITED | 07886173 | 19/12/2011 | Dissolved |
| Maritime Trust (Services) Ltd | 03383965 | 10/06/1997 | Dissolved |
| NATIONAL TRANSPORT TRUST | 01509733 | 26/05/1992 | Dissolved |
| Nucleus Colour Ltd | 01053723 | 31/12/1992 | Dissolved |
| SOLICITORS ASSISTANCE SCHEME LIMITED | 06391802 | 06/02/2008 | Silver |
| THE MARITIME HERITAGE TRUST | 01175051 | 28/03/1996 | Dissolved |
| THE TEIFI VALLEY RAILWAY LIMITED | 01149600 | 01/11/2019 | Strike Off |
| The Trauma Foundation | 01125841 | 29/12/1991 | Dissolved |
| The Trauma Foundation | 01125841 | 29/12/1991 | Dissolved |
| Transport Trust (Promotions) Limited | 01384291 | 26/05/1991 | Dissolved |
| Transport Trust (Promotions) Limited | 01384291 | 26/05/1991 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BELGIAN-LUXEMBOURG CHAMBER OF COMMERCE IN GREAT BRITAIN (INCORPORATED) | 00129632 | 01/05/1997 | 23/08/2005 | Bronze |
| CUTTY SARK ENTERPRISES LIMITED | 04688590 | 12/04/2005 | 01/04/2010 | Not Trading |
| EDEN VALLEY RAILWAY TRUST | 03182769 | 25/09/1999 | 08/12/2001 | Silver |
| GREAT CENTRAL RAILWAY PLC | 01257394 | 30/10/1993 | 13/07/2024 | Bronze |
| HERITAGE RAIL CHARITABLE TRUST | 01222717 | 10/02/1993 | 01/02/2022 | Silver |
| HERITAGE RAILWAY ASSOCIATION | 02226245 | 22/11/1991 | 07/03/2018 | Gold |
| Maritime Trust (Services) Ltd | 03383965 | 10/06/1997 | 19/06/1998 | Dissolved |
| NATIONAL TRANSPORT TRUST | 01509733 | 26/05/1992 | 01/11/1991 | Dissolved |
| NORTH NORFOLK RAILWAY PUBLIC LIMITED COMPANY | 00762885 | 15/06/2002 | 29/03/2008 | Bronze |
| NORTH NORFOLK RAILWAY PUBLIC LIMITED COMPANY | 00762885 | 25/08/1991 | 31/01/2010 | Bronze |
| SWINDON HISTORIC CASTINGS LIMITED | 02358834 | 10/03/1992 | 31/03/2011 | Dissolved |
| THE CUTTY SARK TRUST | 00512170 | 28/03/1996 | 01/08/2015 | Dissolved |
| THE NORTHBANK GUILD LIMITED | 02560009 | 19/11/1991 | 31/08/2007 | Dissolved |
| THE NORTHBANK GUILD LIMITED | 02560009 | 24/06/1996 | 31/08/2007 | Dissolved |
| THE SOUTH YORKSHIRE RAILWAY COMPANY LIMITED | 02342203 | 31/07/1991 | 09/04/2005 | Silver |
| WEST SOMERSET RAILWAY PUBLIC LIMITED COMPANY | 01010188 | 12/05/1991 | 23/06/2012 | Amber |
| WORLD ALLIANCE OF TOURIST TRAMS AND TRAINS LTD | 07230367 | 21/04/2010 | 26/04/2023 | Silver |