| Company | Timeline | Status | |
| Dyke (Holdings) Limited Director • Farmer | 11 May 1993←32 Years→Current | Active | |
| J.R. Macgregor (Dyke) Limited Director • Farmer | 12 Dec 1991←34 Years→Current | Active | |
| Duncan Macgregor Limited Director • Farmer | 30 Jun 1989←3 Years→11 May 1993 | Active | |
