| Company | Timeline | Status | |
| Fred Hartley (Farms) Limited Director • Agronomy Technical Consultant | 24 Sep 2002←5 Years→19 May 2008 | Dissolved | |
Roger Hartley Limited Director • Agronomy Technical Consultant | 17 Feb 1992←23 Years→22 Sep 2015 | Dissolved | |
| Fred Hartley (Estates) Limited Director • Agronomy Technical Consultant | 16 Feb 1992←12 Years→4 Jun 2004 | Active | |
