| Company | Timeline | Status | |
| Columbia Printing INK Limited Director • Salesman | 17 Jun 2013←7 Years→12 Jan 2021 | Dissolved | |
| Kolok Manufacturing Company Limited Director • Company Director | 25 Aug 2000←25 Years→Current | Active | |
Columbia Ribbon Manufacturing Company Limited Director • Company Director | 25 Aug 2000←3 Years→5 Jan 2004 | Dissolved | |
