Titan Lock & Key offers dependable locksmith services in Naperville and the surrounding areas, including 24-hour emergency locksmith support for homes, businesses, and vehicles. We specialize in vehicle key duplication, automotive lockout services, and transponder key programming, as well as home lock repair, smart lock installation, and commercial lock replacement. Our mobile locksmith crew provides fast, dependable, and secure solutions in Naperville, Aurora, Carol Stream, Elmhurst, Lisle, and Romeoville.