Allegion plc

Allegion makes locks, door controls, and electronic access systems that let people enter buildings securely. They sell products like Schlage locks for homes and apartments, as well as electronic systems that control who can enter offices, hospitals, schools, and other commercial buildings. Their brands include Schlage, Von Duprin, and SimonsVisk. They also offer maintenance, repair, and software services that help businesses manage who has access to their facilities and track employee time and attendance. The company sells through hardware stores, home improvement centers, distributors, and di…