Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 133,996 pages of information and 212,786 images on early companies, their products and the people who designed and built them.
Darlington Railway Plant and Foundry Co of Bank Top, Darlington
1914 Directory: Listed as Railway Plant manufacturers 
1961 Iron founders and manufacturers of railway switches, crossings, accessories and railway material. 250 employees.