Andrew Barclay
Dates
| / /1842 | Andrew Barclay, Sons & Co Established by Andrew Barclay to build winding engines for collieries |
| / /1860 | Andrew Barclay, Sons & Co Start building works locomotives |
| / /1876 | Grant, Ritchie & Co Founded in Kilmarnock to build engines, by former employees of Andrew Barclay. |
| / /1878 | Straiton Oil Works Locomotive bought from Andrew Barclay and Sons, locomotive shed opened |
