| Company | Timeline | Status | |
| Machine Control Limited Director • Engineer | 31 Dec 1991←27 Years→1 Aug 2019 | Active | |
| Emcel Filters Limited Director • Engineer | 31 Dec 1991←27 Years→1 Aug 2019 | Active | |
| MFT Industrial Limited Director • Engineer | 14 May 1991←28 Years→1 Aug 2019 | Active | |
