System Sensor

3825 Ohio Avenue
St. Charles, IL 60174-5465

About System Sensor

System Sensor is the world leader in fire detection and notification devices. With sales, service and manufacturing facilities throughout the Americas, Europe and Asia, our product line consists of system smoke detectors, duct smoke detectors, aspiration smoke detectors, waterflow detectors, carbon monoxide detectors as well as a complete line of horns, speakers and strobes.

Competitors of System Sensor

Essex Electronics

Over the past 25 years, Essex Electronics has researched, developed and manufactured a unique Keypad utilizing a proprietary piezoelectric switch technology. The result is a virtually indestructible Keypad unsurpassed in its' ability to tolerate any environment (heat, rain, snow or ice - up to... Read More

DoorKing, Inc.

DoorKing, Inc. (we are also known as “DKS”) was established in 1948 and is one of the country's leading manufacturers of cloud based video entry systems, vehicular gate operators, parking control products, access control systems and vehicle mitigation (crash) barriers in the United... Read More