For Everything Worth Protecting
Helping you take on the security and safety challenges you face every day.
Providing Peace of Mind for Over 100 Years
A century of empowering people to live a safer, more secure life.
Featured Products & Services
Master Lock Connected Products
Whether it’s one door, one lock or thousands, Master Lock Connected Products provides unmatched security, simplicity and accountability from business to home.
Allow access to your property no matter where you are. Choose from wall-mount or portable mechanical lock boxes.
Top Product Categories
For Everything Worth Protecting.