Creating Peace of Mind by Pioneering Safety and Security. At Allegion, we help keep the people you know and love safe and secure where they live, work and visit. With more than 30 brands, 11,000 employees globally and products sold in 130 countries, we specialize in security around the doorway and beyond. SERVICE TECHNICIAN - Hanover, MD. Field Role. Service Technician. Security, health and safety solutions change and improve almost overnight. As...