Critical Systems is a full service Life Safety and Security Company providing Fire Alarm, Fire Suppression, Fire Extinguishers, Access Control, CCTV, Gas Detection, Mass Notification, Sound Masking, White Noise, Paging, Background Music, Voice & Data, Intercom and Security Systems Sales, Service, Inspections and Installation. If you need pricing on any of these services in the future please call: (770) 612-9172.