| Company | Timeline | Status | |
Alpine Mechanical Services Ltd Director • Engineering | 28 Jun 2002←10 Years→5 Nov 2012 | Dissolved | |
| Triple T Engineering Limited Director • Mechanical Engineer | 4 Feb 1991←34 Years→Current | Active | |
| Upright Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
