| Company | Timeline | Status | |
| Wychem Limited Director • Chemist | 20 Oct 1993←11 Years→29 Apr 2005 | Active | |
| Ferro Metal And Chemical Corporation Limited Director • Chemist | 15 Oct 1992←33 Years→Current | Active | |
| Ferro Metal And Chemical Company Limited Director • Chemist | 15 Oct 1992←33 Years→Current | Active | |
