P.O. Box 1167, Arnold, Missouri 63010, United States

314-487-2224

314-487-2224

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    • Home
    • About Us
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    • Specials
    • Videos
    • Shop
    • Employment
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    • My Account
  • Home
  • About Us
  • Pricing
  • Specials
  • Videos
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  • My Account

Gateway Alarm, Inc.

Gateway Alarm, Inc.Gateway Alarm, Inc.Gateway Alarm, Inc.

Family Owned And Locally Monitored Since 1979

Family Owned And Locally Monitored Since 1979Family Owned And Locally Monitored Since 1979

About Us

Security Alarm Keypad

Locally Owned

Customers Come First

Bonded Technicians

             Gateway Alarm, Inc. is a locally owned and operated alarm company, offering both residential security and commercial security systems. With over 40 years in business and trustworthy technicians that pride themselves on outstanding craftsmanship and customer service, our reputation in the industry is unmatched. 

Smoke Detector

Bonded Technicians

Customers Come First

Bonded Technicians

We are bonded and insured offering on time services and very competitive pricing.  With our own in-house monitoring  station, we ensure superior service and centralized support for you.

Alarm Panel

Customers Come First

Customers Come First

Customers Come First

At Gateway Alarm, Inc., we provide both residential and commercial security needs while still offering a home town, comfortable and trustworthy feel.  With us, you are more than just a number and your peace of mind  and safety is our first priority.  

Our Partners


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