A Alert Lock Service is a family owned and operated locksmith service, serving the Chicagoland area and the surrounding suburbs since 1976. We are a full-service locksmith, offering more than just lockout., One of our specialties is in the design and implementation of master key systems. If you have a building or buildings with multiple units and you're tired of walking around like a jailer with that huge ring or box of keys, we have the solution for too many keys and so many doors., Our other specialties include:, * Door closer installations, * Card key access control systems, * Electronic locks and buzzer systems, * Continuous duty door hinges, * Lockout services, * Safe dial combination changes, No need to purchase new locks. If your keys be lost or stolen, we'll remove your existing locks and re-key them to a new key combination. We can also provide hardware and do the installation too for residential, commercial and industrial customers., Don't feel helpless or frustrated with doors, locks and keys that aren't working properly. Let A Alert Lock Service take care of all your locksmith needs. In many cases, we provide same-day services., Call A Alert Lock Service today and make those security issues a thing of the past! We thank you for the opportunity to be of service.