Locking Systems was founded by a locksmith who felt that the city of Milwaukee needed a fast reliable service for all their security needs. A & A security is constantly growing and currently covers the entire Greater Milwaukee Area, providing its services to over 6 million residents and business owners.

Locking Systems locksmiths are always updated with the latest products and security developments. Our locksmiths are trained professionals and our goal is to have our customers satisfied with our fast, reliable and professional services.