Valued at a market cap of $13.9 billion, Allegion plc (ALLE) is a global provider of security and access solutions that designs and manufactures mechanical and electronic locks, door hardware, and access control systems for residential, commercial, and institutional markets. Headquartered in Dublin with major operations in the U.S., the company operates across more than 130 countries through its Americas and International segments, supported by well-known brands such as Schlage, Von Duprin, and CISA. The ...