Guardian Security Systems is an independently owned security and fire protection company founded in 1976. On the fire side, it designs, inspects and maintains fire systems and provides fire alarm monitoring and AES wireless radio communicators. It also installs video surveillance, access control and intrusion detection. It operates from Seattle, Bellingham, Tacoma and the Yakima/Tri-Cities area. The firm holds a Washington State Patrol fire sprinkler system contractor licence (Level 3).