Commercial Security Systems

Protect Assets- Plus Minimize Liability & Improve Operational Efficiency

Sentry Security specializes in the installation, service and monitoring of commercial security systems. As Chicago’s single-source solution for security needs, Sentry Security offers the most comprehensive range of services to deliver customized security solutions and ease-of-use convenience.

Chicago’s leading security company serving the industrial, corporate and residential segments for intrusion, access, video and fire systems.

Sentry installs, monitors and services all types of security systems for all types of customers including:


Integrated Security Systems

Intrusion with Access Control & Video Surveillance
  • 24/7 Monitoring of perimeter and Interior Protection
  • Interactive Services with Remote Capabilities
  • Critical Condition Monitoring (water, temperature, etc.)
  • Keyless Entry
  • Door Status Monitoring & Reporting
  • Analog or IP cameras, with digital or network recorders
  • View Live or Recorded video remotely
  • Video Verification for Alarm Events
Fire Protection
  • 24/7 Monitoring
  • Daily Communication Testing
  • Fire Alarm Inspection Services
  • Sprinkler System Monitoring and Voice Evacuation

Our customers ask for our field technicians by name and you will too.

Sentry is your single-source for comprehensive security solutions- we provide the largest continuum of services to keep your business in business. No other Chicago alarm company serves the Industrial and Corporate segments, and Residential, for Integrated Security (Intrusion, Access & Video) and Fire systems.

Sentry’s guarantee to you is that we will get the job done right—on time and on budget. And, as Chicago’s leading independent alarm company, we have all the local resources necessary to make sure we deliver. And we support our installations with a dedicated Service Team that monitors and services over 10,000 Systems.

We are equipment agnostic. Sentry extends and expands existing security systems- as opposed to starting over at the beginning with all new equipment.  Sentry does not represent proprietary manufacturer platforms- which provides maximum flexibility to our customers.

Call us now at 847.353.7200 to schedule your site survey or click to schedule a convenient time for our representative to call you and answer any questions you have. We make it easy.

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Residential Security