Physical security controls are devices or systems that are used to protect people and properties from harm. They can be as simple as a lock on a door or as complex as a multi-layered security system. Common physical security controls include locks, alarms, cameras, fences/walls, and gates. Nonstop Locksmiths offers a variety of physical security controls to meet the needs of premises of all sizes. From keyed locks to master key systems, we can help you choose the best security system for your business, school, factory or home.