McCausland Lock Service, Inc. is the largest locksmith company serving the Delaware Valley area. The McCausland Family has been in the Locksmithing business for over 100 years. Chuck & Tom McCausland are the fourth generation, following in their dad's footsteps (Walt McCausland) , as experts in the security field.

We pride ourselves with having the finest security technicians in the industry. We specialize in all types of Locks, Locking Hardware, Master Key Systems,Safes, Access Control and CCTV Systems. Our capable staff is ready to handle any security problem promptly, and efficiently. Please keep us in mind for all of your lock and security needs.