| Company | Timeline | Status | |
| Oakfield Recycling Limited Director • Engineer | 7 Feb 2008←17 Years→Current | Active | |
| Oakfield Construction C. Eng. Limited Director • Engineer | 6 Feb 2008←17 Years→Current | Active | |
| Oakfield Plant & Transport Limited Director • Engineer | 6 Feb 2008←17 Years→Current | Active | |
| Brendan Homes Limited Director • General Manager | 2 Dec 1999←26 Years→Current | Active | |
| Flint Holdings Limited Director • Engineer | 1 Jul 1998←27 Years→Current | Active | |
