


of Templeborough, Sheffield and London.
1922 Private company registered December 21. Capital £2,000 in £1 shares. To acquire the business of a steel merchant carried on by T. H. McCall at 1, Cambridge Arcade, Sheffield[1]
1931 "McCall and Co. (Sheffield) Ltd., manufacturers of reinforcements for all kinds of concrete constructions."[2]
1932 McCall & Co., (Sheffield) LTD., Templeborough. Reinforced concrete engineers for factories and offices, flooring and roofing, storage tanks, roads, bridges, retaining walls,etc. [3]
1950 " Development in Prestressed Concrete" [4]
1952 In association with Precision Roofs
1961 Steel reinforcement manufacturers. 278 employees. [5]
