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Explore 51 Trusted Security System Providers Serving Illinois

Check the system options and available business details for 51 security providers across Illinois, including Chicago, Peoria and Elk Grove Village. Read customer feedback, narrow your options and contact companies suited to your alarm or camera installation.
Alsip (1)
Arlington Heights (1)
Aurora (1)
Bloomington (1)
Carpentersville (1)
Chicago (9)
Country Club Hills (1)
DeKalb (1)
Des Plaines (2)
Dolton (1)
Elk Grove Village (3)
Elmhurst (1)
Forest Park (2)
Freeport (1)
Glen Carbon (1)
Hoffman Estates (1)
Lake Zurich (1)
Libertyville (1)
Lincolnwood (1)
Loves Park (1)
Mattoon (1)
Midlothian (1)
Naperville (2)
New Lenox (1)
Northbrook (1)
Oswego (1)
Pekin (1)
Peoria (4)
Rockford (2)
Rolling Meadows (1)
Salem (1)
Springfield (1)
Willowbrook (1)
Woodridge (1)
17 reviews
Umbrella Security Systems
10 Years
17 reviews
Certified expertise in enterprise-grade commercial security technologies
Umbrella Security provides commercial security systems tailored to the operational needs of organizations across Chicago and Northern Illinois. We work with businesses, educational institutions, industrial...
Website (630) 270-3313 Call Profile
Omega Locksmith
Verified
20 Years
Emergency
47 reviews
Omega Locksmith
20 Years
Emergency
47 reviews
24/7 emergency response with average 30-minute arrival time
Reliable Chicago locksmith services since 2006. 24/7 emergency assistance for residential, commercial, and automotive lockouts. Specializing in key duplication, access control systems, and high-security locks across Chicagoland.
Residential Locksmith Commercial Locksmith Automotive Locksmith
Website (773) 277-5625 Call Profile
14 reviews
Unik Security & Pos, Inc
27 Years
14 reviews
We offer 24 years of specialized security system expertise
Discover UnikCCTV's complete range of security solutions including intercom systems, smart locks, access control devices, and surveillance equipment with fast shipping and expert support.
Intercom Systems Door Locks Access Control
(708) 841-8300 Call Profile
6 reviews
Alarm Detection Systems
50+ Years
Emergency
6 reviews
We offer 24/7 live monitoring with immediate response to security events.
Trusted security solutions since 1968. 24/7 monitoring, alarm systems, and expert support for homes and businesses in Midwest and Colorado. Family-owned with local expertise.
Home Security Systems Burglar Alarms Fire Alarms
(630) 844-6300 Call Profile
5 reviews
InVision Systems
24 Years
Emergency
5 reviews
We offer over 20 years of experience in Midwest security system integration.
InVision Systems offers top-tier residential, commercial, and industrial security solutions in Chicago and the Midwest, ensuring safety and peace of mind with cutting-edge technology and expert service.
Security Cameras Virtual Guarding Access Control
(773) 733-0970 Call Profile
4 reviews
Allied Lock & Safe Technicians
31 Years
4 reviews
We offer over 25 years of commercial security expertise.
Allied Lock & Safe Technicians offers access control systems, commercial locksmith services, and security solutions in Peoria, IL, with over 25 years of experience.
Access Control Commercial Door Hardware Medeco Locks
(309) 691-6001 Call Profile
4 reviews
Illinois Alarm Service
48 Years
Emergency
4 reviews
35+ years of specialized security expertise
Protect your property with Illinois Alarm Service's 24/7 monitored security systems since 1978. Commercial, residential, and industrial solutions available in Forest Park, IL.
Access Control Burglar Alarms CCTV Systems
(708) 366-2400 Call Profile
1 review
Eyes on U Surveillance Systems
18 Years
Emergency
1 review
We offer commercial-grade HD surveillance systems with IP/HD-SDI integration
Eyes on U Surveillance Systems offers commercial-grade security camera systems with 3-year warranties and remote monitoring. Serving Libertyville, IL and surrounding areas, we specialize in HD-DVR, NVR, and Milestone systems for businesses and government
Commercial Surveillance HD-DVR Installation Remote Monitoring
(847) 223-4250 Call Profile
7 reviews
Imperial Surveillance
Emergency
7 reviews
We offer 15+ years of expertise in AI-powered security system design and implementation
Protect your business with Imperial Surveillance's AI-integrated security systems, 24/7 live monitoring, and customized protection solutions serving Chicago, Milwaukee, and Fort Wayne.
Access Control CCTV IP Cameras Live Video Monitoring
(847) 375-0300 Call Profile
6 reviews
Glavin Security Specialists
50+ Years
Emergency
6 reviews
We offer 50+ years of combined leadership experience in commercial security
Chicago's premier commercial locksmith and security solutions provider since 1974. Certified experts in access control, security systems, and emergency services.
Electronic Access Control Security Camera Systems Key Systems Management
(312) 850-6700 Call Profile