Security Systems & Services in Dekalb, IL

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

Business Listings

Installation Kits available for an additional charge. OUR MISSION Security Gate Company has been manufacturing steel folding security gates for more than forty years. The mission of our work is to make a quality product at a reasonable price that meets or exceeds our clients' needs.


Steel Folding Security Gates supply security, ventilation and visibility for dock doors, lift-up doors, hallways and entranceways. They are used by manufacturing and warehouse facilities, retail and distribution centers, education and health care institutions and in homes and offices.


SERVING NORTHERN ILLINOIS SINCE 1984 Our Mission To serve our community by delivering the best quality security solutions for its homes and businesses, by building trusting relationships with our customers, and by maintaining integrity in all that we do. Our technicians are fully trained and bonded and will work with you to assist answer your technical questions and explain the use of your system.



Prairie Street Alarms has qualified and dedicated specialists experienced in Commercial and Residential Fire Alarms, Security Systems, CCTV, and Access Control Systems. Contact us today for information on quotes and bids. We have the experienced staff to complete your job in a timely manner and within your budget.


We're a leading electronic security integration firm situated in the Chicago metro area. Our firm specializes in commercial, corporate, and industrial security solutions. SSI supports customers throughout the Midwest including Illinois, Indiana, and Wisconsin. We look ahead to working with you and meeting your security requirements.


At System Sensor, innovation is more than an perfect; innovation is our way of life. Every day we design fire, carbon monoxide, heat detection, and notification devices that use the most innovative technologies in the most inventive ways. We create products for our clients that are convenient to install, efficient to operate and provide the highest standards of reliability.


Imperial Surveillance. was set up in March of 2005 in Elgin, Illinois. Since the firm began we currently have focused extensive resources on the development of our products. Imperial Surveillance., is speedily becoming one of the leaders of the Security and Surveillance Industry. We are committed to each Customer with Patience and Personal Attention.


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.