| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CLASS G5 LOCOMOTIVE COMPANY LTD | 06283043 | 20/04/2008 | Amber |
| Grange Northern Ltd | 03987075 | 12/06/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 2D (SUPPORT FOR THE VOLUNTARY AND COMMUNITY SECTOR OF TEESDALE AND WEA | 03753635 | 24/10/2002 | 30/09/2010 | Dissolved |
| 2D TRADING LIMITED | 07508094 | 27/01/2011 | 07/06/2013 | Dissolved |
| Northern Aurora Ltd | 02386222 | 03/04/1998 | 31/05/2000 | Dissolved |
| Northern Electric Computer Services Ltd | 02971932 | 14/10/1994 | 29/03/1995 | Dissolved |
| Northern Electric Telecom Ltd | 02657193 | 29/09/1997 | 30/11/1998 | Dissolved |
| Northern Infocom Ltd | 03009380 | 02/03/1995 | 31/05/2000 | Dissolved |
| Northern Informatics Applications Agency Ltd | 02988715 | 17/03/1997 | 14/04/2000 | Dissolved |
| Northern Tracing & Collection Services Ltd | 02743774 | 19/03/1993 | 28/10/1994 | Dissolved |
| THE WEARDALE RAILWAY TRUST | 03226401 | 30/11/2015 | 02/10/2021 | Gold |
| WEARDALE RAILWAY LIMITED | 12392050 | 20/04/2020 | 16/07/2021 | One Red Flag |
| WEARDALE REALISATIONS CIC | 02823284 | 18/12/2002 | 14/03/2012 | Dissolved |