| Company | Timeline | Status | |
| MCL Unitex Limited Secretary • Unreported | 26 Nov 1997←27 Years→Current | Active | |
| Airmark Systems Limited Secretary • Unreported | 1 Dec 1995←29 Years→Current | Active | |
| Prilex Limited Secretary • Unreported | 31 May 1991←34 Years→Current | Active | |
| Isolated Systems Limited Director • Secretary | 31 May 1991←34 Years→Current | Active | |
| Isolated Systems Limited Secretary • Unreported | 31 May 1991←34 Years→Current | Active | |
