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Besam was an international supplier and manufacturer of automatic entrance equipment for commercial, health care and residential buildings owned by Assa Abloy. [1] The product portfolio included automatic doors, automatic swing doors, sliding doors and revolving doors, as well as air curtains and dedicated service and maintenance.
Modern manual door closer Eclipse door spring and separate checking mechanism. A door closer is a mechanical device that regulates the speed and action of a door’s swing. [1] Manual closers store the force used to open the door in some type of spring and reuse it to close the door. Automatic types use electricity to regulate door swing behavior.
Chamberlain Group (CGI), the corporate parent company to LiftMaster, Chamberlain, Merlin, and Grifco, designs and engineers residential garage door openers, commercial door operators, security cameras, and gate entry systems.
Assa Abloy was founded at the merger of the two companies Assa and Abloy in 1994. Assa stands for August Stenman Stenman August. [7] [8] The name Abloy comes from a contraction of the Swedish Finnish bilingual name Ab Låsfabriken Lukkotehdas Oy, meaning literally Corp. Lock Factory Lock Factory Corp. (first Corp. and Låsfabriken from Swedish, last Lukkotehdas and Corp. from Finnish).
1950: Entry into the door closer business; 1962: Production of the first automatic doors; 1976: Glass fittings are added to the product range; 1978: Production becomes international – first production facility in Singapore (SG) 1987: Safety solutions [buzzword] and emergency exit control systems; 1999: Acquisition of Groom
While the holding company resides in Columbus, the units operate in many other locations including: Columbus, Wilmington, and Mason, Ohio and Atlanta, Georgia. Founded by Robert S. Crane Sr. in 1947, the company has remained a private, family operated business, with Tanny B. Crane as CEO. The company employs over 1300, mostly in Ohio.
Vertiv is an American multinational provider of critical infrastructure and services for data centers, communication networks, and commercial and industrial environments. Headquartered in Westerville, Ohio , Vertiv has ~27,000 employees worldwide, operating in more than 40 countries and with 23 manufacturing and assembly facilities.
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 countries. Its major production plants were located in Europe, China, Malaysia, North and South America.
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