| Company | Timeline | Status | |
| Northamptonshire Ironstone Railway Trust Limited(The) Director • Consultant Engineer | 12 Apr 1997←1 Year 1 Month→8 Jun 1998 | Active | |
| Northamptonshire Ironstone Railway Trust Limited(The) Secretary • Consultant Engineer | 12 Apr 1997←1 Year 1 Month→8 Jun 1998 | Active | |
