Founded in 1921, Master Lock is a globally recognized leader in safety solutions, specializing in lockout/tagout (LOTO) devices and hazardous energy control systems. With over a century of expertise, the company develops reliable solutions designed to prevent workplace accidents and ensure compliance with industrial safety standards.

Its industrial safety offering includes a comprehensive range of safety padlocks, lockout devices, tagout labels, and lockout management systems, enabling organizations to effectively secure equipment during maintenance and servicing operations. Built for demanding environments, Master Lock products are engineered for durability, traceability, and ease of use in the field.

Master Lock solutions are widely used across key industries such as manufacturing, energy, oil and gas, construction, transportation, and utilities, where controlling hazardous energy is critical to worker safety. Compliant with regulations such as OSHA, CSA, and ANSI, Master Lock lockout/tagout systems are a trusted choice for companies looking to strengthen their safety and risk prevention programs.