You know us as Schlage, Von Duprin, LCN, and Steelcraft. With more than 25 brands sold in over 120 countries, Allegion specializes in security around the doorway and beyond: everything from residential and commercial locks, door closers and exit devices, steel doors and frames to access control and workforce productivity systems. Allegion provides a full offering of architectural services, including specification writing, assistance with door schedules, submittal reviews, code consulting, and AIA certified training.