| Company | Timeline | Status | |
| Gradewell Property & Developments Limited Secretary • Housewife | 28 Mar 2006←19 Years→Current | Active | |
| Gradewell Plant & Haulage Ltd Secretary • Housewife | 14 Oct 2005←3 Years→1 Nov 2008 | Active | |
| Gradewell Construction Limited Secretary • Housewife | 21 Jun 2005←3 Years→24 Nov 2008 | Active | |
