| Company | Timeline | Status | |
| DRB Holdings Limited Director • Company Director | 23 Jul 1999←14 Years→22 Nov 2013 | Dissolved | |
| D.R.B. Engineering Limited Director • Chief Executive | 9 May 1991←22 Years→22 Nov 2013 | Dissolved | |
| D.R.B. Engineering Limited Secretary • Financial Director | 9 May 1991←2 Years→9 May 1993 | Dissolved | |
