| Company | Timeline | Status | |
| Sda Technologies Limited Director • Director | 19 Jul 2012←13 Years→Current | Active | |
| S D A (Magnetics) Limited Director • Engineer | 30 Jul 1996←29 Years→Current | Active | |
| S D A (Magnetics) Limited Secretary • Engineer | 30 Jul 1996←29 Years→Current | Active | |
| S.D.A. Electronics Limited Director • Engineer | 4 Sep 1991←34 Years→Current | Active | |
