dormakaba manufactures access and security products, with a history in the Americas dating to 1980, when Dorma acquired Reading Door Closers. The company operates sites across the United States, Canada, Mexico, and Brazil, and reports manufacturing centers of excellence in the Americas. Its heritage also includes DORMA, founded in 1908, and Kaba, founded in 1862; dormakaba Group began operations in 2015.
AllegionAllegion makes commercial security products and provides access and door-opening solutions for buildings. Its portfolio includes products under longstanding brands such as Schlage, Von Duprin and LCN, and the company describes a U.S. manufacturing footprint spanning operations in nine states. Allegion also offers architectural and automatic-door services to support building projects and door performance.CINCINNATI, OH
Alarm Lock Systems, a division of NAPCO Security Technologies, IncFor more than 40 years, Alarm Lock Systems has made electronic access and egress locks for commercial doors, with its Trilogy line serving as the brand’s signature product for locksmiths and security professionals. A division of NAPCO Security Technologies, Alarm Lock engineers and manufactures its products in New York and the Caribbean, and now operates within NAPCO Access alongside Marks USA and Napco Access Pro to provide integrated locking and access-control solutions.AMITYVILLE, NY
Overhead Door CorporationOverhead Door Corporation manufactures and supplies access products, including doors and door operators, through three operating divisions and a portfolio of brands. Founded on C.G. Johnson’s 1921 invention of the upward-acting garage door, the company also traces its innovations to the first electric garage door opener in 1926. It reports more than 4,000 employees, 16 manufacturing facilities, and headquarters in Lewisville, Texas.LEWISTOWN, PA