| Company | Timeline | Status | |
| Zetron INC Director • Engineer | 2 Sep 1993←24 Years→12 Jul 2018 | Converted/Closed | |
| Zetron Eagle Limited Director • Engineer | 30 Sep 1991←16 Years→7 Dec 2007 | Dissolved | |
| Zetron Eagle Limited Director • Unreported | 1 Jan 1970←37 Years→7 Dec 2007 | Dissolved | |
