During the mid-1930s the company name changes from Alfred Wiseman to Alfred Wiseman & Co of Birmingham, who were gear specialists and maker of industrial locomotive and marine gear boxes. During the 1950s Wisemans supplied reverse and final drive gearboxes type 15RLGB for 153hp & 204hp shunting locomotives made for British Railways by Barclay’s of Kilmarnock in the 1956-1958 era. They also supplied gears for Baguley-Drewry and Thomas Hill locomotives. In 1962 Ruston & Hornsby acquired the company with plans to use spare capacity at the Ruston & Hornsby works at Grantham and merge the 2 companies’ gear making operations.