Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,023 pages of information and 231,556 images on early companies, their products and the people who designed and built them.
of Bredbury Steel Works, Woodley near Stockport.
1862 J. Mills exhibited at the London Exhibition
1871 Employing 60 men and 6 boys
1880 James Mills died and the company was run by the Executors of James Mills (see advert)
1897 Moss Iron Works closed
1900 Private company.
1935 See James Mills:1935 Review
1937 Steel manufacturers and engineers. 
1937 Steel manufacturers and engineers. "Mills" Freecutting Carbon and Casehardening Steels.
1940 Maker of Ledloy (see advert)
1947 Mills' Ledloy.
1950 See Exors of James Mills
1961 Light machinists, steel rollers and manufacturers of bright steel and hot pressings. 2,100 employees. 
1967 One of the larger steel companies not subject to nationalisation