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About our New Name

We’re excited to welcome you to the most experienced security team in Oklahoma! A&H Security has joined with Guardian Security Systems – the oldest security license holder in the state – with a monitoring and customer center in Tulsa.

You can continue to reach us here. Or, take a look around CSG-Guardian.com and check out all the security and automation services available to you, including our innovative Alert 360 systems for both homes and businesses.

Why Guardian Security Systems

The experience behind your alarm monitoring

For more than 40 years, home and business owners throughout Oklahoma have trusted Guardian to be there for them. As a top 10 provider, we’re dedicated to offering the highest quality home and business security systems plus automation services, including:
  • security system installation
  • wireless security cameras & video monitoring
  • home and office automation
  • security mobile app convenience
  • energy management options
  • security alarm monitoring
  • a company-owned UL Listed monitoring center