(847) 336-9700
5 stars | 40 reviews
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5 stars | 40 reviews
Servicing Northern Illinois Since 1970We now offer cellular conversion for elevator phones and apartment entry systems
(847) 336-9700Contact Us
Tech Systems|155 N Greenleaf St, Gurnee, IL 60031|(847) 336-9700
"Recently got rid of our big name alarm company. Customers service was awful and there was always something wrong. Tech Systems was able to use and improve our old system. They were wonderful and reliable to deal with. So glad..."
Margo BurnsFeb 27, 2024
Peggy SiebertJan 12, 2024
"Always professional. Excellent service."
Caterpillar College PreschoolDec 28, 2023
"Very knowledgable and professional technicians. Excellent service and follow-up. I would recommend Tech Systems to both friends and family."
Jerry KaneDec 20, 2023
"Quslity Cameras. Friendly service"
Lesley BraceroOct 9, 2023
"We recently started using Tech Systems at our new office and they have been top notch. They are quick to respond to emails and questions. All of their staff have been very helpful from setting up our security system to..."
Stacie RyanAug 23, 2023
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Welcome to Tech Systems

For more than 50 years, providing the most effective commercial and residential alarm, surveillance, and security solutions in Gurnee, IL, has been our mission at Tech Systems. We know that your family and property are your most valuable assets. That's why we go to great lengths to offer exceptional, innovative, and affordable security solutions for area residents, businesses, and organizations.

Superior-Quality Products | Expert Installation

From fire alarms to security camera systems and access control solutions, we have everything you need to make your home or office more secure. Whatever your personal, residential, or commercial security and electronic needs may be, the professionals at Tech Systems have you covered.

Our skilled technicians always go above and beyond to ensure you have a 100 percent positive experience with all of our products and installations. You can rest assured we always give high attention to detail with every job, ensuring your satisfaction. And if you purchased a system elsewhere and need monitoring services, we can provide professional monitoring for nearly all system makes and models.

Contact Us

Contact Us

The peace of mind that you're always completely safe and secure is what you get when you work with the professional team at Tech Systems. You can always count on us for emergency services and rapid response. Contact us today at (847) 336-9700 for a free estimate.

Contact Us

Service Area

Serving the Lake County, Milwaukee, Kenosha, North Chicago, & Genoa City areas.

Business Hours


Our Reviews

5 stars | 40 reviews
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