| Company | Timeline | Status | |
| B M Doherty Contractors Limited Secretary • Unreported | 18 Nov 2005←19 Years→Current | Active | |
| Doherty Earthmovers Limited Secretary • Unreported | 19 Mar 2001←24 Years→Current | Active | |
| Three Oakes Plant Hire Limited Secretary • Unreported | 10 Apr 1997←28 Years→Current | Active | |
| Stoke Plant Hire Limited Secretary • Unreported | 26 Sep 1991←34 Years→Current | Active | |
