| Company | Timeline | Status | |
| Riva Hill Farms Limited Director • Retired | 25 Feb 1991←26 Years→12 Mar 2017 | Active | |
| Riva Hill Farms Limited Secretary • Unreported | 25 Feb 1991←26 Years→12 Mar 2017 | Active | |
| H. Dawson Sons And Company (Wool) Limited Director • Wool Merchant | 20 Feb 1991←15 Years→28 Sep 2006 | Active | |
| Gallagher & Dawson Limited Director • Farmer | 8 Jan 1991←20 Years→14 Jun 2011 | Active | |
