Allegion plc engages in the provision of security products and solutions worldwide. The company offers door controls, door control system, and exit devices; doors, glass and door systems, and accessories; electronic security products and access control systems, including time, attendance, and workforce productivity; and locks, locksets, portable locks, and key systems. It also provides services and software, such as inspection, maintenance, and repair services for its automatic entrance solutions; software as a service, including access control, platform integration, and workforce management solutions; and ongoing aftermarket services, design and installation offerings, and locksmith offerings. In addition, the company sells its products and solutions to end-users in commercial, institutional, and residential facilities, including education, healthcare, government, hospitality, retail, commercial office, and single and multi-family residential markets under the CISA, Interflex, LCN, Schlage, SimonsVoss, and Von Duprin brands.