Serving Lake, Porter, LaPorte, Jasper, Starke, Pulaski, Newton, and White Counties in Indiana, as well as Cook, DuPage, Kankakee, Will, McHenry, Grundy, Kendall, and Kane Counties in Illinois, ATN Technology delivers enterprise-grade low voltage solutions designed to meet the unique needs of businesses across Northwest Indiana and the greater Chicagoland area. Our expert team ensures seamless connectivity, advanced security, and reliable performance you can count on, whether you are in a major city or a smaller community.

We provide a comprehensive range of services, including:

• Fire Alarm Systems — Cutting-edge fire detection and alarm solutions designed to protect your employees, property, and assets while meeting all local and national safety codes.

• Network Management & Data Cabling Infrastructure — Structured cabling, network design, and ongoing management to keep your IT systems efficient, reliable, and ready for future growth.

• Video Surveillance Systems — High-definition, scalable security camera solutions to monitor your facilities in real time, improve safety, and provide peace of mind.

• Access Control Systems — Advanced card, biometric, and keyless access solutions that secure your property while providing flexible control over entry points.

At ATN Technology, we combine industry-leading technology with professional expertise to deliver customized solutions that help your business thrive. From small towns in Starke County to bustling hubs in Cook County, our team ensures your infrastructure is secure, efficient, and prepared for the demands of today — and tomorrow.