Flaming Geyser Flyers Auburn
Seattle RAMS Auburn
Mount Rainier Radio Control Society Puyallup
Marymoor RC Club Redmond
Kitsap Aircraft Radio Control Society Olalla
Olympic Radio Control Association Silverdale
Bellair RC Flyers Silverdale
Snohomish Radio Aero Club Everett
Barnyard Buzzards RC Club Monroe
Thurston County Miniature Aircraft Association Tumwater
Evergreen Radio Modelers Association Marysville
Cascade Model Helicopter Club Silver Lake
Red Apple Flyers Wenatchee
Yakima Valley Aero Modelers Zilla
North West Electric Flyers Redmond
Barn Owls Indoor Model Flyers Seattle (Magnuson Park)
Seattle Area Soaring Society Carnation