Fire King is a multi-faceted industrial gas and fire safety company offering services and equipment to the Pacific Northwest since 1982. Located in the Duwamish industrial area in Seattle, Washington, and with an additional office located in Milton, WA, we are centrally located to serve your Puget Sound Region needs. Fire King is part of Performance Systems Integration, a leading fire and life safety services company. Based in Portland, OR and with an office in Bothell, WA, PSI specializes in fire safety system confidence testing and inspection, service and repair, monitoring, and design and installation for commercial clients throughout the Pacific Northwest.