| Company | Timeline | Status | |
| Sarena MFG Limited Director • Engineer | 30 Oct 2003←17 Years→3 Nov 2020 | Dissolved | |
Mitre (P.F.G.) Limited Director • Engineer | 17 Jul 1997←17 Years→23 Dec 2014 | Dissolved | |
| Water Environmental Treatment Limited Director • Director | 7 Feb 1993←28 Years→2 Sep 2021 | Active | |
| Parton Fibreglass Limited Director • Engineer | 20 Jul 1991←31 Years→11 Aug 2022 | Dissolved | |
