Commercial Security Systems

We protect what matters most for Chicagoland businesses—inside and outside.

Sentry Security is your single-source for comprehensive security solutions. We offer the largest continuum of services to keep your business in business. Sentry Security is committed to ensuring the security of Chicago’s businesses: big and small. 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.
Sentry designs, installs and services all of the following commercial-grade systems:
Intrusion Monitoring & Facilities Access Management
  • Keyless Entry Integrated with 24/7 Protection
  • Door Status Monitoring & Reporting
  • Critical Condition Monitoring (Water, Temperature, etc.)
  • Remote Capabilities to Manage Users & Security Levels
Fire Protection
  • Analog or IP cameras, with digital or network recorders
  • View Live or Recorded video remotely
  • Video Verification for Alarm Events
Video Surveillance
  • Fire Alarm Monitoring, with Daily Communication tests
  • Fire Alarm Inspection Services
  • Sprinkler System Testing and Voice Evacuation Systems
Sentry Security provides customized solutions to your business security needs
One of Sentry Security’s commercial risk professionals is available now to schedule an appointment with you to customize our full range of commercial security systems to protect your assets. Plus, you can remain connected to your business through remote management of Sentry’s interactive services.
Sentry Security is a smart and easy choice for Chicagoland businesses.
It is vital your Chicagoland business is secure, and provides a safe environment for you and employees, as well complying with Chicago-mandated system requirements. Sentry is the only call you need to make. Sentry has grown to become an industry leader and we consistently receive high ratings from customers. Sentry Security has been named in Top 100 security companies by SDM Magazine, a leading industry publication, since 2009.
Sentry partners with state-of-the-art 24/7 UL & FM approved monitoring centers that utilize the most sophisticated technology available and provide multiple, redundant physical sites to deliver uninterrupted service. Sentry boasts a seasoned technical team of office and field staff, with the majority of the technical professionals averaging 15+ years of industry experience. Sentry’s personnel are factory-certified and regularly undergo continuous education training.