John Boyd and Co
John Boyd & Co (Engineers), makers of dockside cranes, of Annan, Scotland
1947 Company founded.[1]
Manufactured a small number of railway turntables – one survives; in the main roundhouse at National Railway Museum, York. (works plate order reference 52/363; delivered in 1954) - perhaps subcontracted from Cowans Sheldon.[2]
1966 Acquired by Wellman Engineering[3].
1969 Clarke, Chapman and Co took over the 3 heavy-crane making companies of Wellman Engineering Corporation with backing from the Industrial Reorganisation Corporation[4].
In 1969 Clarke Chapman's took over and it was incorporated into the NEI group. Because of the high standard of workmanship,the original name was kept.[5]
Later NEI Clarke Chapman Cranes Ltd ?
Clarke Chapman - John Thompson Ltd
Closed 1986. Work and some workers transferred to Cowans, Sheldon; not that that lasted much longer.[6]