| Company | Timeline | Status | |
| Buffalo Crow Tipping Limited Director • Director | 6 May 2021←3 Years→21 May 2024 | Dissolved | |
| Buffalo Crow Ltd Director • Director | 14 Sep 2012←13 Years→Current | Active | |
| Whitnell Limited Director • Civil Engineer | 9 Jan 2004←21 Years→Current | Active | |
Whitnell Hire Services Ltd Director • Plant Contractor | 23 Jun 2003←16 Years→3 Dec 2019 | Dissolved | |
| Whitnell Contracts Limited Director • Civil Engineer | 24 Jan 1991←34 Years→Current | Active | |
