Master Locksmith SoCo is South St. Louis’s Top Locksmith Company. We offer the Best Locksmith Services to Residential & Commercial customers. Our Locksmith Near You Solutions includes but isn’t limited to Automotive, Commercial/ Industrial, and Residential/ Home specializations. Master Locksmith SoCo has provided the Downtown St. Louis City and South County MO Areas with exemplary locksmith services for many years. Our expert technicians seamlessly provide all manners of lock-related services including residential, commercial, and automotive lock installation, repair, and maintenance, key copying, and emergency unlocking services. Give us a call, for an instant, on-the-spot service.