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. Since 1922, Waterloo Industries is the leading North American manufacturer of tool storage chests and cabinets, utility carts, portable tool storage, project centers, work benches, garage organization and wall storage products, branding storage and organization products for some of the world’s leading brands. To learn more about our brands, visit us at www.Masterlock.com, www.Waterlooindustries.com, www.Americanlock.com, www.Sentrysafe.com and www.Masterlocksafety.com or contact us.

12/06/2019

A lockout/tagout system is essential to any safety program.

11/22/2019

From a fire alarm that hangs right on your Christmas tree to a way to keep track of your kids in the mall, these innovative products are all about holiday safety.

11/14/2019

MILWAUKEE -- Master Lock announced on Thursday, Nov. 14 that it is donating 1,000 gun locks to the City of Milwaukee. The locks are Master Lock 90-DSPT, keyed locks that fit over the trigger guard to prevent the gun from firing. "We're a 98-year-old company here, proud to be part of the Milwaukee co...

08/28/2019

We are pleased to announce updates to our Master Lock® Vault eLocks Mobile apps. Be sure to update your app today for improved stability, security, and ease of use!

Last weekend, The Master Lock Company proudly partnered with Milwaukee's Bastille Days Festival, a popular French festiv...
07/17/2019

Last weekend, The Master Lock Company proudly partnered with Milwaukee's Bastille Days Festival, a popular French festival and one of the nation’s largest French-themed celebrations! This year's festival featured a "MKE Mon Amour" theme, expressing their "Love for Milwaukee!" Inspired by the well-known "Pont des Arts" bridge in Paris, Master Lock padlocks were available for purchase at last weekend's festival, encouraging people to "lock up their love" to metal sculptures designed and built by a local high school, Bradley Tech. Proceeds from all locks sold at this event were donated to Milwaukee Habitat for Humanity. We are thrilled to have partnered with Milwaukee’s Bastille Days Festival and Bradley Tech for this event!

The 1588D Magnification Combination Padlock secured a spot on the 2018 Popular Science Best of What's New List!
11/27/2018

The 1588D Magnification Combination Padlock secured a spot on the 2018 Popular Science Best of What's New List!

Our 31st annual Best of What’s New list is the culmination of a year spent obsessing over, arguing about, and experiencing the newest technologies and discoveries across 10 distinct disciplines.

The Master Lock Company worked closely with UC San Diego Healthto create a safer work environment by implementing best-p...
11/16/2018

The Master Lock Company worked closely with UC San Diego Healthto create a safer work environment by implementing best-practice-based recommendations that achieve heightened safety, practicality and efficiency for its personnel.

UC San Diego Health, the only academic hospital in San Diego, is one of the premier health care providers in the United States and is nationally ranked in six adult medical and surgical specialties by U.S. News & World Report. With more than 1,500 doctors and scientists who are published experts in....

11/01/2018

MILWAUKEE, Nov. 1, 2018 /PRNewswire/ -- Master Lock, the global leader in security, will introduce the all-new Master Lock Vault Enterprise property access...

10/04/2018

Congratulations to the Cleveland Browns for unlocking their first win and the Bud Light beer fridges! Good Luck at home this weekend!

The Master Lock Company was proud to participate in the 2018 Fall Job and Internship Fair hosted by University of Wiscon...
09/14/2018

The Master Lock Company was proud to participate in the 2018 Fall Job and Internship Fair hosted by University of Wisconsin Milwaukee Career Services on September 11th. It was great to be able to make connections with potential future interns and associates. To learn more about job opportunities with us, visit our career page: http://bit.ly/2vZat3m.

Check out the sights and sounds from our Milwaukee factory.
11/20/2017

Check out the sights and sounds from our Milwaukee factory.

There are many sites around town that were once home sprawling factories, and we lament their loss. Most days, however, I drive past one of these sprawling industrial complexes that despite its outward serenity, is anything but quiet. This is Master Lock, founded in Milwaukee in 1921.

Address

6744 South Howell Avenue
Oak Creek, WI
53154

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