| Company | Timeline | Status | |
| Autair Management Services Limited Director • Operations Director | 31 Dec 1991←33 Years→Current | Active | |
| Dingell Limited Director • Civil Engineer | 30 Sep 1991←19 Years→26 Nov 2010 | Dissolved | |
| Dingell Limited Secretary • Civil Engineer | 30 Sep 1991←19 Years→26 Nov 2010 | Dissolved | |
