NONSTOP Locksmith has been helping business and residents in Chicago, IL with their locksmith and security needs. From simple lock change to a complex set-up of an access control system or surveillance systems. NONSTOP Locksmith is one stop shop for all locksmith and security need for offices, homes, retail space, restaurants, managements offices etc. Few of the many clients NONSTOP Locksmith serves includes Verizon Wireless, Shell, Subway , Target and over 40 management companies.