| Company | Timeline | Status | |
| Alan Mackay Machinery Limited Secretary • Unreported | 20 Aug 2004←21 Years→Current | Active | |
| Alan Mackay Limited Secretary • Company Secretary | 1 Feb 2001←24 Years→Current | Active | |
| Campmuir Limited Secretary • Unreported | 18 Oct 1988←4 Years→5 Oct 1993 | In Administration | |
