Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 138,931 pages of information and 225,312 images on early companies, their products and the people who designed and built them.
C. Redman and Sons of Parkinson Lane, Halifax were makers of machine tools.
1876 Company established by Cornelius Redman.
1910 Key-seating machines.
1911 Issued catalogue on rapid machine tools including planing machines, drilling machines, lathes and shaping machines. 
1914 Machine tool makers. Specialities: lathes, planing machines, drilling machines and shaping machines. Employees 200. 
1972 Redman Engineering Co (is this the same?) received support for a project on a pre-forming machine from government programme for the machine tool industry