Explore 9 Trusted Security System Providers Serving Chicago, IL

Alert Protective provides comprehensive home and commercial security solutions since 1982. We specialize in customized alarm systems, video surveillance, and 24/7 monitoring services tailored to meet specific client needs. Our locally owned business combines Midwest values with advanced security technology to deliver reliable protection across the Chicagoland area and Midwest region.

Security Shop provides expert locksmith and security system services to residential and commercial clients in Chicago and surrounding areas. Specializing in lock installation, keyless access control, intercom systems, and emergency lockout solutions since 1976. Our certified technicians deliver reliable security upgrades and consultations using state-of-the-art technology.

Illinois Security Service provides specialized security solutions including labor dispute protection, construction site security, and investigative services. With a team of off-duty law enforcement officers and civilian personnel, we deliver 24/7 protection tailored to client needs. Our expertise in high-risk operations and use of advanced technology ensure comprehensive safety for businesses nationwide.

Glavin Security Specialists provides comprehensive commercial locksmith and security solutions in Chicago. Specializing in electronic access control, security camera systems, and door hardware management, we serve major institutions with certified expertise. Our union-certified technicians deliver 24/7 emergency services and industry-leading training programs.

Tactical Security provides professional armed and unarmed security services, event protection, workplace safety programs, and private investigations across Illinois and Wisconsin. Our experienced team utilizes advanced technology and tailored solutions to address diverse client needs. Available 24/7 for emergencies, we specialize in corporate security, background checks, and crisis management training for businesses and institutions.

MSI Detective Services provides discreet investigative solutions for individuals, businesses, and legal professionals. Specializing in surveillance, fraud detection, and electronic countermeasures since 1959, we combine 65+ years of experience with advanced technology to deliver court-ready evidence. Our services span asset investigations, computer forensics, and nationwide locate operations.

Chase Security Systems specializes in custom protective guards and security enclosures for life safety devices, access control systems, and integrated technology. Established in 1975, we serve educational, healthcare, transit, and public sector clients with durable, code-compliant solutions designed to protect critical infrastructure while maintaining aesthetic integration. Our expertise spans from standard product lines to bespoke designs that address unique security challenges.

Folding Guard manufactures industrial safety, security, and storage solutions since 1962. Based in Chicago, the company offers modular systems like Saf-T-Fence for machine guarding, Versa Guard for customizable partitions, and Stor-More for secure storage. Their products ensure workplace safety compliance and operational efficiency.