| Company | Timeline | Status | |
| J & A Laird Limited Director • Concrete Products Manufacturer | 8 Sep 1989←15 Years→28 Feb 2005 | Active | |
| Laird Aggregates Limited Director • Concrete Products Manufacturer | 8 Sep 1989←15 Years→28 Feb 2005 | Active | |
| Laird Brothers (Forfar) Limited Director • Concrete Products Manufacturer | 8 Sep 1989←15 Years→28 Feb 2005 | Active | |
