Security Systems & Services in Oswego, IL

Comprehensive list of Oswego, Illinois based companies offering installation, maintenance and repair of home and business security systems, CCTV & burglar alarms, guard and video surveillance services.

Business Listings

Since 1971, Inner Security Systems has been delivering security solutions to the domestic, industrial and commercial markets. We've expanded from a tiny security systems firm delivering security systems for the department of defense, to a diversified low voltage solutions supplier, providing services varying from home networking to 911 center command centers.


For over forty years, Alarm Detection Systems. has been one of the finest commercial and home security firms in the nation, delivering 24hr monitoring and security responses for burglary, fire, and other emergency conditions. As the biggest security firm located in Illinois, ADS installs, repairs, and monitors the finest security products in the alarm industry.


We're the most trusted, recognized safety brand in America, protecting what matters most. From kids and family to your home, we design and create safety products that preserve and protect. Trust First Alert for protection from the dangers of smoke, fire and carbon monoxide.



Sennco Solutions has nearly twenty years knowledge in the retail security and the fixture industry. Sennco Solutions offers products that are not only outstanding in quality but tailored to every and every client's personal requirements. We currently service many top retailers in the world.


ABOUT YPS We are a licensed and bonded complete service Private Detective Agency, owned and run by Steven Yahnke and the Yahnke family, with special emphasis on client service. We incorporated in 2004 and have been building a successful agency ever since, we still serve our very 1st customer.


Sentry 360 has two families of products: FullSight is our 360-degree immersive camera series varying from discreet mounting options to extreme temperature vandal dome models. The InSight series has vandal dome, miniature dome and box style models ranging in resolution from 1280 x 960 1.2 megapixel CCD or CMOS to 4000 x 2656 11 megapixel.


FIRST is a leading supplier of customized technology solutions in fire detection/security, health care communications, and educational communications. Our client needs drive our solutions. At FIRST, we're client-relationship focused, combining great listening skills with expert engineering, consultation and best quality installations.


Unlike majority of our competitors, we currently have a team of highly trained specialists committed to not only assist you get your system up and running, but use it to its fullest potential. No one else supplies this level of support. We believe strongly in delivering great pricing on our security camera systems, we want to assist you make it work.

  • Stopped in to see what types of cameras were available for my business, I was so impressed