Cornercroft Ltd., of Ace Works, Coventry.
1936 Public company.
1939 See Aircraft Industry Suppliers
WWII Manufactured parts for the De Havilland Mosquito
1961 Manufacturers of "Ace" motor accessories, "Beresford" water pumps and rail carriage equipment, jigs, tools, gauges and assembly fixtures, specialised machine tools and equipment, metal spinning, press tools and presswork, dies tools for plastic industry and thermo-setting and thermo-plastic mouldings. 750 employees. 
Sources of Information
- 1961 Dun and Bradstreet KBE
- The Times, Jul 07, 1978
- Mosquito by C. Martin Sharp and Michael J. F. Bowyer. Published by Crecy Books in 1995. ISBN 0-947554-41-6