| Company | Timeline | Status | |
| Force Engineering (International) Limited Director • Director | 18 Dec 2002←7 Years→3 Nov 2010 | Active | |
| Force Engineering (International) Limited Secretary • Teacher | 18 Dec 2002←5 Years→9 Jun 2008 | Active | |
| Lim-Tech Limited Director • Director | 24 Jul 1997←13 Years→29 Oct 2010 | Active | |
| Lim-Tech Limited Secretary • Director | 24 Jul 1997←10 Years→9 Jun 2008 | Active | |
| Force Engineering Limited Director • Teacher | 17 Aug 1995←15 Years→29 Oct 2010 | Active | |
| Force Engineering Limited Secretary • Director | 17 Aug 1995←12 Years→9 Jun 2008 | Active | |
