| Company | Timeline | Status | |
| T MCF Drummond (Barbeth) Limited Director • Farmer | 22 May 2007←18 Years→Current | Active | |
| A H S Drummond (Glenside) Limited Director • Unreported | 22 May 2007←18 Years→Current | Active | |
| Merslaugh Farm Limited Director • Farmer | 22 May 2007←18 Years→Current | Active | |
| H.S. Drummond (Glenside) Limited Director • Farmer | 25 Nov 1988←37 Years→Current | Active | |
