| Company | Timeline | Status | |
| Drallim Telecommunications Limited Director • Engineer | 10 Dec 1991←33 Years→Current | Active | |
| Drallim Controls Limited Director • Engineer | 10 Dec 1991←33 Years→Current | Active | |
| Drallim Industries Limited Director • Engineer | 10 Dec 1991←33 Years→Current | Active | |
| Cargo Aids Limited Director • Engineer | 1 Jul 1990←35 Years→Current | Active | |
| Cargo Aids Limited Director • Engineer | 1 Jul 1990←34 Years→28 Jun 2024 | Active | |
