| Company | Timeline | Status | |
| Kespar Technology Limited Director • Engineer | 9 Jul 2003←22 Years→Current | Active | |
| Blackwater Holdings Ltd Director • Engineer | 21 Feb 2000←25 Years→Current | Active | |
| Weldclad Limited Director • Engineer | 1 Jul 1997←28 Years→Current | Active | |
| Corewire Limited Director • Engineer | 12 Jul 1991←34 Years→Current | Active | |
| Primecast Cement Products Limited Director • Engineer | 12 Jul 1991←34 Years→Current | Active | |
| Dymet Alloys Limited Director • Engineer | 12 Jul 1991←34 Years→Current | Active | |
| CPV Ltd Director • Engineer | 12 Jul 1991←34 Years→Current | Active | |
