ATSI is a leader in designing and testing fire alarm systems.
Systems Installation
Fire Alarm
Security Systems
Home and Business
Protect your home or business from anywhere.
Design and installation including compliance testing to ensure long-term performance.
Services
Structured Cabling

We provide a full range of services for home and business.

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WHO IS ATSI?

OUR COMMITMENT

WHO IS ATSI?

ATSI specializes in custom solutions for business and homeowners throughout the Chicagoland area. Our reputation for personal and prompt service, technical expertise, superior training and support and unsurpassed reliability. We offer a full range of alarm systems, camera surveillance, access control, and home monitoring solutions to keep your home, family, and possessions safe. If you are looking to partner with a leader in the industry who can offer a truly customized approach and long-term support, then look no further. We guarantee expert service using the most reliable products along with outstanding support.

OUR COMMITMENT

ATSI’s experienced staff has many years of combined experience in the industry. Our technicians are NICET-certified and are members of the NFPA, NAFED, and the IESA. We have experts in every field who work on your project to ensure that you receive the highest quality of products and services.

Our Products