Thomas D. Ridley and Sons
of Middlesbrough
Formed by Thomas Dawson Ridley
1908 Exhibited at the Royal Agricultural Society's Show, concrete block making machinery: the Fisher hydraulic stone making plant, comprising a concrete mixer and a hydraulic press[1].
1899-1913 Around six locomotives built.[2]
1925 'Ridley, Shaw and Co., Limited (208197). Reg. Sept. 2nd, 1925. To take over the business of an engineer, manufacturer and repairer of steel and iron work carried on at North Ormesby, Middlesbrough, as “Thomas D. Ridley and Sons.”'[3]
Became Ridley, Shaw and Co