| Company | Timeline | Status | |
| Picon Limited Director • Managing Director Timsons Limi | 7 Jul 1993←11 Years→14 Jul 2004 | Active | |
| Perfecta Assets Limited Director • Engineer | 11 Dec 1991←19 Years→30 Jul 2011 | Active | |
| Timsons Limited Director • Engineer | 13 Nov 1991←19 Years→30 Jul 2011 | Dissolved | |
| E.A.T. (Holdings) Limited Director • Engineer | 4 Feb 1991←20 Years→30 Jul 2011 | Active | |
