Master Lock Company LLC

137 W Forest Hill Avenue
P.O. Box 927
Oak Creek, WI 53154
United States of America


Association badge legend
M Members Only VS Vendor Showcase


Founded in 1921, Master LockĀ® Company is the premier global manufacturer of built-in and portable security solutions. All Master Lock products are built to the highest quality standards with unmatched strength, durability and value that ensure years of trouble-free operation, dependable performance and peace of mind.

Today, Master Lock leads the market with a full range of innovative general and high security products that can fit virtually any commercial, institutional or industrial security application. We offer solid steel and solid brass padlocks, solid iron shrouds, safety lockout padlocks and hasps, safety signs and tags, high visibility aluminum padlocks, laminated steel and laminated brass padlocks, government products, rekeyable options, key charting, hasplocks, portable and built-in combination and keyed padlocks, cable locks and chains, specialty locks and more.

Many of our security products can be enhanced by adding some of our more recent innovations such as BumpStopĀ® Advanced Cylinder Technology and Edge? Key Control. Visit our website to learn more about these exciting new features.

Plus, Master Lock offers an unmatched warranty, sales support, personalized service from our customer care team, and an easy-to-use online ordering system with instant order acknowledgement, shipping confirmation and order tracking.

Master Lock. Today, tomorrow, always for business, school and industry.