| Company | Timeline | Status | |
| Measure-Rite Limited Director • Engineer | 1 May 2005←12 Years→16 Feb 2018 | Dissolved | |
| Measure-Rite Limited Director • Engineer | 17 Apr 1992←11 Years→30 Sep 2003 | Dissolved | |
| Measure-Rite Limited Secretary • Unreported | 17 Apr 1992←11 Years→30 Sep 2003 | Dissolved | |
| Beaver Valley Limited Director • Engineer | 11 Aug 1991←26 Years→16 Feb 2018 | Active | |
| Beaver Valley Limited Secretary • Unreported | 11 Aug 1991←26 Years→16 Feb 2018 | Active | |
| Rugby Golf Club Limited Director • Engineer Manager | 6 Mar 1991←1 Year 10 Months→15 Jan 1993 | Active | |
