| Company | Timeline | Status | |
| Davidson-Roberts Limited Director • Retired | 11 Apr 2006←16 Years→5 Jul 2022 | Active | |
| Fulton Boiler Works, (Great Britain) Limited Director • Company Director | 11 Oct 1992←13 Years→1 Mar 2006 | Active | |
| Fulton Boiler Works, (Great Britain) Limited Director • Unreported | 1 Jan 1970←36 Years→1 Mar 2006 | Active | |
