| Company | Timeline | Status | |
| J. & S. Douglas (Farmers) Limited Director • Farmers Wife | 31 Dec 1990←34 Years→Current | Active | |
| J. & S. Douglas (Farmers) Limited Secretary • Unreported | 31 Dec 1990←34 Years→Current | Active | |
| J.Douglas & Sons Limited Secretary • Unreported | 3 Dec 1990←34 Years→Current | Active | |
| J.Douglas & Sons Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
