NONSTOP Locksmith has been helping businesses and residents in Illinois and Indiana with their locksmith and security needs. From simple lock changes to complex installations for access control systems or surveillance systems. NONSTOP Locksmith is a one stop shop for all your locksmith and security needs; whether for your office, home, retail space, restaurant, management offices or any space that requires security. Here are a few of our many clients we are proud to serve: Verizon Wireless, Shell, Subway, Target and over 40 management companies.