| Company | Timeline | Status | |
Avcom Service Limited Director • Electronics Engineer | 3 May 2002←16 Years→10 Jul 2018 | Dissolved | |
Avcom Systems Limited Director • Electronics Engineer | 1 Feb 1993←25 Years→10 Jul 2018 | Dissolved | |
| Projection & Display Services Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
