| Company | Timeline | Status | |
| Railway And Canal Historical Society (The) Director • Retired | 26 Sep 1998←7 Years→29 Apr 2006 | Active | |
Trent Concrete Cladding Limited Secretary • Unreported | 8 Mar 1992←3 Years→1 Apr 1995 | Dissolved | |
| Trent Concrete Limited Secretary • Unreported | 8 Mar 1992←3 Years→1 Apr 1995 | Dissolved | |
| Trent Concrete Structures Limited Secretary • Unreported | 1 Mar 1992←3 Years→1 Apr 1995 | Dissolved | |
Trent Stone Limited Secretary • Unreported | 1 Mar 1991←4 Years→1 Apr 1995 | Dissolved | |
| Railway And Canal Historical Society (The) Director • Unreported | 1 Jan 1970←28 Years→3 Apr 1998 | Active | |
