| Company | Timeline | Status | |
| G.B.Turnbull Limited Director • Farmer | 14 Apr 1991←3 Years→17 Apr 1994 | Active | |
| Turnbull (Potato Sales) Limited Director • Farmer | 29 Mar 1991←3 Years→17 Apr 1994 | Active | |
| Turnbull (Corn Sales) Limited Director • Farmer | 29 Mar 1991←3 Years→17 Apr 1994 | Active | |
