About Gateway Alarm

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GATEWAY ALARM, INC. is a locally owned and operated alarm company, offering monitoring and security services.GATEWAY ALARM, INC. is a locally owned and operated alarm company, offering monitoring and security services. Our nearly 30 year heritage of superior service has earned us an unmatched reputation in our industry. This experience spans both residential and commercial projects.

The GATEWAY ALARM staff prides itself on superior service, and outstanding craftsmanship. Everyone at GATEWAY puts the customer first and has your safety and peace of mind as a top priority. In addition, we offer the following:

  • Low Voltage Wiring (burglar and fire alarm, telecommunication)
  • Closed Circuit Television/Video
  • Access Control
  • Intercoms (music and sound)
  • Free Estimates

GATEWAY ALARM owns and operates its own in-house monitoring station.We offer on-time service and very competitive pricing. Unlike most local alarm companies, GATEWAY ALARM owns and operates its own in-house monitoring station. This ensures superior service and centralized support for you.

GATEWAY ALARM, carries the most complete line of alarms and anti-theft devices in the entire St. Louis Metro and surrounding area.