Courtney, Stephens and Co

of Blackhall Iron Works in Dublin.
1865 John Bailey (1839-1892) became a partner in Courtney and Stephens which then became Courtney, Stephens and Bailey
c.1865 Built the Drinagh scoop-wheel, to be one of the largest in existence.
Proprietors: William Courtney and William Stephens (dates not specified).
In 1877 they supplied signalling equipment for B&LR (Ballymena & Larne Railway) [1]