Switchgear and Cowans
of Elsinore Road, Old Trafford, Manchester.
of Victoria Works, Springfield Lane, Salford. (1914)
1914 Manufacturing electrical engineers. Specialities; electrical controlling gear for public electricity supply works, battleships, dockyards etc. Employees 200 to 300. 
1936 Company made public. Messrs Sermon and Waller, founding managing directors of the company, sold their shares to W. H. Botsford and Co. The new managing director was J. E. Chamberlain who had worked for 15 years for Hewittic Electric Co.
1961 Electrical engineers specialising in high and low voltage switchgear and mining switchgear. 1,200 employees.