JW Lock Co vision is to offer quality locksmith services that fit our client's needs. Established in 1955, JW Lock Co is family-owned and operating in the same Covina location. We sell and install new door hardware and safes, rekey homes, or just duplicate a key. We also provide master key systems, electronic access, and panic hardware for small businesses to entire buildings. Our key duplication services include standard house keys, automotive with and without transponder chips, or a mailbox key.