Dorma

Dorma was founded by Wilhelm Dörken and Rudolf Mankel as Dörken & Mankel KG in Ennepetal, Germany, in 1908.^[2] The family business was managed by owner Karl-Rudolf Mankel in third generation. As part of succession planning, previous sole Dorma proprietor Karl-Rudolf Mankel transferred the majority of his shareholding to his daughters Christine and Stephanie in March 2009.

The Dorma Group had a workforce of approximately 6,500 employees and closed the fiscal year 2009/10 with a business volume of 856,4 Mill. EUR.^{[citation needed]}

In April 2015, Dorma Holding announced a planned merger with Swiss-based Kaba Group.^[3] The group went on to become Dormakaba Group.

The company was divided into six divisions: Door Control, Automatics, Glass, Movable Walls, Security Systems & Trade Counters. Dorma’s head office in Ennepetal controlled 69 wholly owned companies in 45 different countries. Its major production plants were located in Europe, China, Malaysia, North and South America.

• Door control: door closers, door furniture and fittings, window handles, hinges and locks
• Automatics: automatic door operators, sliding doors, swing doors and revolving doors, automatically operated sliding glass panel partitions
• Glass: fittings, door and side panel rails, locks
• Security: access control systems, security door fittings, emergency exit control systems, lock and electric keeps, security and detection systems
• Movable-Walls: sound-insulating walls, sound-insulating movable glasswalls

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