| Company | Timeline | Status | |
| Fletchwood Investment Company Limited Director • Civil Engineering | 14 Mar 2025←8 Months→Current | Active | |
| P. T. Contractors Limited Director • Civil Engineer | 30 Dec 1991←33 Years→Current | Active | |
| P.T. Properties Limited Director • Civil Engineer | 7 Nov 1991←34 Years→Current | Active | |
| P.T. (Holdings) Limited Director • Civil Engineer | 18 Oct 1991←34 Years→Current | Active | |
| Trant Engineering Limited Director • Director | 18 May 1991←23 Years→31 Dec 2014 | Active | |
