Celebrating 17 Years of Service to our Community!

  • Locally owned and operated, LaMarCo Security Systems is committed to providing our communities with the best of both worlds: the latest in alarm technologies and personalized, first-class customer service.
  • LaMarCo Security Systems is an independent, locally-owned and operated business based in Northbrook, Illinois. We serve business and commercial customers throughout the Chicagoland Area and beyond.
  • We help clients define their specifications and make informed buying decisions about a security system which fits their specific needs. We do this by performing an on-site security survey and designing a system that meets your needs while satisfying state, federal and local building codes.
  • Using the information developed, we then design a customized system, accompanied by estimates for total system cost.


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