About Sentry Security

We provide system solutions to help businesses stay in business

Sentry’s security systems provide valuable information about your workplaces- along with remote management functions. We integrate Access Control, Intrusion & Video on one platform. Sentry serves customers throughout Illinois, Wisconsin and Indiana – with the ability to integrate satellite operations nationally. Call us to be connected and stay protected.

Sentry Overview

  • Provides recurring alarm services on 7,000+ installed systems in greater Chicagoland
  • Majority of recurring customers are Commercial, Industrial and Corporate accounts
  • Largest locally-owned security company; closed 16 acquisitions from 2006-2017
  • Offers customers an integrated sole-source solution: one phone call for all security needs
  • Gets to YES to make a system work for a customer; Sentry doesn’t say NO- we try to work with your existing system
  • Sentry focuses on the long-term relationship with the customer by providing recurring, value-added services

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
  • Cunningham Security
  • Metronet Safe & Sound
  • Schaumburg Security Services
  • Stand Guard Security
  • Star Security


Sentry also monitors and performs service on the following lines:

  • Vicon / ViconNet
  • S2
  • Software House / CCURE 9000
  • Honeywell ProWatch
  • ONSSI video management
  • HIK Vision video management
  • GE-UTC Facility Commander
  • DMP
  • Interlogix / GE Concord and Simon
  • Ademco / Vista
  • Qolsys
  • Northern WinPak
  • Honeywell Net AXS
  • GE Secure Perfect
  • Software House CCURE 800
  • Aiphone Intercom
  • Honeywell FireLite
  • Silent Knight
  • Commend intercom
  • Radionics Alarm

Are you a Business? Want a Quote? Schedule a Site Survey for a Custom Solution Estimate

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.