| 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 | |
