A. B. C. Coupler and Engineering Co
of Queen Anne's Chambers, Westminster, London, SW (1914)
1904 Public company.
1914 Became private company.
1914 Patentees and manufacturers of automatic buffer couplers for railway and other rolling stock. 
1919 Reconverted to public company.
1961 Manufacturing couplers and buffers for railway rolling stock, regulator valves and by-pass valves for locomotives, stampings, "malting" fork lift trucks, "jet-lube" extreme service lubricants and thread compounds for oil well drilling equipment.