Best-in-class security for your business or U.S. government agency


System One Alarm Services, Inc. was founded in 1981 and has grown over the decades as a highly-regarded security company. System One specializes is IP-based CCTV, access control, and intrusion & fire detection for high-rise buildings, government agencies, schools, hotels, and healthcare facilities.

System One ensures quality work by performing all installations with its own in-house, skilled technicians and never uses subcontractors.