| Company | Timeline | Status | |
| Struwmhils Ltd Secretary • Company Secretary | 28 Jul 2006←19 Years→Current | Active | |
| ALS Civil Engineers Holdings Limited Secretary • Unreported | 1 Jul 2006←19 Years→Current | Active | |
| A L S Civil Engineers Ltd Secretary • Civil Servant | 1 Mar 2004←21 Years→Current | Active | |
