Sentry Security
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As Chicago’s hometown security company, we pride ourselves on a high level of customer service, cu
06/27/2026
Don’t wait until a fire becomes a disaster. By the time smoke is visible, every second counts.
Sentry Security helps businesses across Illinois stay protected with professionally designed fire alarm systems backed by 24/7 monitoring and certified support.
Protect what matters most with:
- Smoke & Heat Detection
- Sprinkler System Monitoring
- Voice Evacuation Systems
- NFPA Inspections & Testing
- RapidSOS Ready Emergency Response
- Ongoing Maintenance & Support
For over 20 years, Sentry Security has been helping Illinois businesses stay ready for the unexpected.
Protect your people, property, and business today.
Call 847-353-7200 or Visit sentrysecurity.com/fire-alarm-systems
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339 Egidi Drive
Wheeling, IL
60090
