DuPage Security Solutions, Inc. is an independently owned and operated locksmith serving the Collar counties of Chicago, IL. We work with all types of locks and lock systems, and also provide access control systems and closed circuit TV systems. We have more than 46 years of experience providing locksmith services., Our locksmith service extends to residential, commercial and automotive needs. Our expert lock technicians will set up your building?s master key system and remain at your service for its needed maintenance as well. In addition to providing master key systems for buildings of all sizes, we also carry high security locks and cylinders made by trusted brands., We specialize in the following:, * Commercial and residential restricted and high security applications, * Electronic Access Control, * Biometrics, * Medeco high security locks, * Master key systems, * IP Cameras, * CCTV/DVR systems, * Gun/fire/burgulary raided safes, For nearly half a century, Chicago has benefited from our specialized and widespread locksmith services. DuPage Security Solutions was built by consistently providing the highest quality sales, service and installation of key systems, as well as the means to unlock them. Our company works hard to provide the best locksmith services to residents and businesses all over the city and hopes to remain at your services for another 50 years., Call DuPage Security Solutions today!