Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 146,020 pages of information and 231,556 images on early companies, their products and the people who designed and built them.
J. H. Carruthers and Co. of Polmadie Iron Works, Glasgow (1912)
of Polmadie Iron Works, East Kilbride.(1968)
1887 Company founded.
1922 Private company.
1961 Manufacturers of pumps, electric cranes, separators and condensers. 335 employees. 
1968 Electric travelling cranes