thumb|Dorma headquarters in Ennepetal, Germany Dorma was a German company that produced door technology systems and allied products. It merged with Kaba Holding in September 2015 and became part of Dormakaba Group.
thumb|Dorma headquarters in Ennepetal, Germany Dorma was a German company that produced door technology systems and allied products. It merged with Kaba Holding in September 2015 and became part of Dormakaba Group.
==Overview== Dorma was founded by Wilhelm Dörken and Rudolf Mankel as Dörken & Mankel KG in Ennepetal, Germany, in 1908. 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.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).