The Master Lock Company

The Master Lock Company strives to protect and organize life’s valued assets for people worldwide


Master Lock American Lock Dudley Canada Fortress


Master Lock American Lock

Secure Storage and Organization

Sentry Safe
The Master Lock Company
  • Since our start-up nearly a century ago, we have worked hard to earn and maintain the trust of our customers and consumers by delivering on our promise of strength and quality and by continually setting new standards for product design, application and performance. We continue to build our founders’ passion for innovation, quality, and compelling value into our expanding lines of security, safety, and secure storage & organization solutions.
  • Since 1921, Master Lock is the #1 padlock brand in North America, and is recognized around the world as the authentic, enduring name in padlocks and related security products; offering a broad range of innovative security and safety solutions for consumer, commercial, and industrial end users. Our brand is built on the 4 pillars of strength, ease of use, reliability, and trust.
  • Founded in 1930, Sentry Safe is the leading North American brand of fire-, water, and theft-resistant safes, files, chests and other protective security containers for residential and light commercial markets.
  • To learn more about our brands, visit us at,, and or contact us.