| Company | Timeline | Status | |
| Zalpox Limited Director • Farmer | 14 Jul 1989←36 Years→Current | Active | |
| Hugh Blackwood (Farms) Limited Director • Farmer | 5 May 1989←36 Years→Current | Active | |
| Hugh Blackwood (Farms) Limited Director • Farmer | 1 Jan 1970←54 Years→20 Nov 2024 | Active | |
