Established in 1968, our security company in Bel Air, Maryland, is a leading provider of security systems for homes and businesses. Today, Harford Alarm Co. monitors security systems for thousands of customers in the state of Maryland and we look forward to earning your business. Harford Alarm Co. has provided loss prevention solutions for homes and businesses for many decades. With a large customer base, industry publications regularly list our security operation among the most advanced and reliable independent security companies in the Maryland area.
