Costruzioni Italiane Serrature e Affini
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Costruzioni Italiane Serrature e Affini, also known by the acronym CISA, is an Italian manufacturer of locking and access control systems.

History
Costruzioni Italiane Serrature e Affini was founded in Florence, by Luigi Bucci in 1926. The company is part of Allegion.[1][2]
CISA is present worldwide in over 70 countries.
From 2 December 2013 CISA became part of the new Allegion group, which includes international brands in the security technology sector.[3][4][5]
CISA is present in Italy with offices in Faenza and Monsampolo del Tronto. The Monsampolo office specializes in the production of keys and cylinders.