King County Zone 1

• Bellevue
• Redmond
• Kirkland
• Woodinville
• Bothell
• Northshore
• Shoreline
• Duvall
• Eastside Fire-Rescue
• Mercer Island

King County Zone 3

• Renton
• North Highline
• Fire District 20
• Burien
• Valley Regional Fire Authority
• Fire District 40 - See Renton
• Tukwila
• Puget Sound Regional Fire Authority
• Maple Valley
• Black Diamond
• South King Fire & Rescue
• Mountain View Fire & Rescue
• King County Fire District 47

King County Zone 5

• City of Seattle

• Tacoma
• Spokane
• Yakima
• West Valley (Yakima County Dist. 12)

• American-LaFrance
• Pierce Manufacturing
• Emergency One
• HME
• KME
• Spartan ER
• Braun Northwest

• Road Rescue
• Wheeled Coach
• Seagrave