| Company | Timeline | Status | |
| Classic Filters NGV Limited Director • Director  | 1 Jul 2014←11 Years→Current  | Active  | |
| Classic Filters Ltd Director • Engineer  | 23 Jul 2001←24 Years→Current  | Active  | |
| Headline Filters Limited Director • Mechanical Designer  | 13 Jan 1995←6 Years→30 Mar 2001  | Active  | |
