Sentry Security Overview

Sentry Security is an independent security company that’s helped thousands of customers, both commercial and residential, protect what matters most. Sentry specializes in the installation, service and monitoring of security and fire alarm systems, video surveillance and access control systems. As your single-source solution for security needs, Sentry offers the most comprehensive range of services to deliver protection solutions and ease-of-use convenience. Sentry has grown to become an industry leader; we consistently receive high ratings from our customers. And, as Chicago’s leading independent security company, we have the local resources necessary to connect to your business or home- and give you peace of mind.

Named a Top 100 national security company by SDM Magazine since 2009 and headquartered in the Chicagoland area, Sentry serves customers throughout Illinois, Wisconsin and Indiana. Sentry Security is proud to deliver superior security solutions to our customers. Our market-leading knowledge is built on the experience of the professionals and technology created from the combination of the following mergers:

  • ABC Security
  • Alarms Unlimited
  • Central Electronic Security
  • Metronet Safe & Sound
  • Schaumburg Security Services
  • Stand Guard Security
  • Star Security

Our central station partners provide multiple, redundant physical sites that offer secure UL/FM-certified monitoring facilities to deliver uninterrupted service, regardless of adverse conditions, as well as professionally trained security professionals to monitor your home and business 24 hours a day, 365 days a year.