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
Professional Safety Services
Our Industry-leading safety team can help you design a custom lockout tagout or electrical safety solution for your facility. We’ll evaluate your existing system and provide insights, or help you build a completely new process.
Best-Selling Chests, Files, & Fire Safes
Get 10% off best-selling files, chests, security safes, and fire safes from SentrySafe, a Master Lock Company brand.
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For Everything Worth Protecting.