tamper-resistant cylinders

Sterling Padlocks designs and manufactures utility-grade security hardware in the USA, serving electric and water utilities, telecommunications providers, municipal agencies, logistics and trucking enterprises, and Department of Defense installations. The company has been producing padlocks since 1968 and was purchased by Engineering Unlimited Inc founder Joe Werner in 1970. It operates manufacturing facilities in Sevierville, Tennessee, with corporate operations in Minneapolis, Minnesota.

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