About Master Lock

Master Lock's founder figured that if battleships and bank vaults were made of laminated steel, why not locks? The world's largest padlock manufacturer invented and patented the laminated steel padlock in 1924. Today, it continues to manufacture and market padlocks, as well as steering wheel locks, cable locks and U-locks, window and door locks and – more... 

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Headquarters
137 W. Forest Hill Ave.
Oak Creek WI, United States 53154
Revenue
$25M to $100M (USD)
Employees
501 to 1,000
Industry
Links
Master Lock website