Priority One is a privately owned and operated security systems company located in Greenville, SC. We offer fast, professional service as well as a full line of security, fire, life safety services of Residential and Commercial solutions, including Alarm systems, Video & Camera solutions, fire & Life Safety, Access Control, Vehicle Gates, Audio / Video, Home networking and more. We combine leading-edge technology with our "Service First philosophy to deliver an exceptional customer experience. We are a full service provider offering, Sales & Consulting, Installation, with 24hr Anytime Service. We operate our own Five Diamond Certified Central Monitoring Station. Our staff of professionals are industry certified, licensed, and bonded. Call us today to experience the "Priority One Difference".