dbo:abstract
- Guardian Alarm is an American security company based in Southfield, Michigan. Founded in 1930, Guardian Alarm is the largest independently owned security company in the Midwest and continues to be ranked in the top 20 in the United States. The company has over 500 employees in various cities across the United States. Guardian Alarm installs, monitors, and services home and business security systems. The company offers various security systems such as burglar alarm systems, 24/7 security monitoring, indoor and outdoor cameras, video surveillance, smart automation, access control systems, and fire, water, and carbon monoxide detection. (en)