| Company | Timeline | Status | |
Rail Dynamics International Ltd Director • Company Director | 10 Apr 2014←6 Years→22 Sep 2020 | Dissolved | |
| DRS Rail Consultancy Ltd Director • Consultant | 4 Apr 2014←11 Years→Current | Active | |
| Electro-Motive Diesel Limited Director • Managing Director | 14 Nov 2006←7 Years→31 Mar 2014 | Active | |
TRS Locomotive Support Services Limited Director • Engineer | 20 Nov 1997←8 Years→30 Oct 2006 | Dissolved | |
| Turner Engine Powered Services Limited Director • Company Director | 1 Feb 1995←11 Years→30 Oct 2006 | Dissolved | |
