| Company | Timeline | Status | |
| Trolex Sales Limited Director • Engineer | 25 Aug 2000←7 Years→31 Mar 2008 | Dissolved | |
| Sentro Limited Director • Production Engineer | 19 May 1999←8 Years→31 Mar 2008 | Dissolved | |
| Trolex Limited Director • Operations Director | 6 Jul 1991←16 Years→31 Mar 2008 | Active | |
