master key systens

Master Key Systems America LLC is a local, family owned company that provides the Greater St. Louis region with premium, quality locksmith services and products.

From opening locked doors to installing locks, repairing or replacing hard to find locks and developing and servicing master key systems, Master Key Systems America LLC has the ability to meet your needs and the knowledge to exceed your expectations.

Our office is conveniently located, ensuring prompt response. Our service vehicle is well equipped, meaning we can get the job done quickly and efficiently. Master Key Systems America is backed by more than 29 years of locksmith experience. We carry professional liability insurance to give you the peace of mind that your interests are covered.

Our company tag line is 'Securing America - One Door At A Time'. Our motto is 'Service - At Your Convenience'