DORMA Holding GmbH + Co. KGaA
DORMA Holding hope it's their products being used. The company is a global producer and supplier of door hardware, door security systems, automatic and revolving doors, glass fittings and decorative and structural glass systems, and partitions and movable doors. The company operates five divisions (door control hardware; automatic; glass furniture and fittings; security, time, and access; and movable doors). The brand name DORMA is an acronym formed from the two surnames of the company founders, Wilhelm DArken and his brother-in-law Rudolf Mankel. It was registered with the German Patents Office in 1927. Karl-Rudolf Mankel, grandson of Rudolf, owns the company.