• Alta Alpina Cycling Club - Eastern Sierra
• Alto Velo Bicycle Racing Club
• Bay Area Roaming Tandems (BART)
• Cascade Bicycle Club - Seattle
• Chico Velo Cycling Club
• Cyclonaut Mountain and Road Club - Paso Robles
• Davis Bike Club
• Delta Pedalers Bike Club - Antioch
• Diablo Cyclists - Walnut Creek
• Eagle Cycling Club - Napa
• Fremont Freewheelers Bicycle Club
• Fresno Cycling Club
• Goleta Valley Cycling Club - Santa Barbara
• Greater Arizona Bicycle Association
• Grizzly Peak Cyclists - Berkeley
• Le Péleton Feminin - Bay Area
• Los Gatos Bicycle Racing Club
• Major Taylor Cycling Club - Palo Alto
• Oakland Yellow Jackets Bicycle Club
• Procrastinating Pedalers of Reno
• Sacramento Bike Hikers
• Sacramento Wheelmen
• San Jose Bicycle Club - Racing
• San Luis Obispo Bicycle Club
• Santa Cruz County Cycling Club
• Santa Cruz Randonneurs
• Santa Rosa Cycling Club
• Sierra Express Bicycle Club
• Skyline Cycling Club
• Stockton Bicycle Club
• Team Bikeaholics - Precision Racing
• Valley Spokesmen Bicycle Club
• Velo Girls - Women's Cycling Club
• Western Wheelers - Palo Alto
• Wheel Kids - Palo Alto, San Francisco, Walnut Creek

Organizations

• California Association of Bicycling Organizations (CABO)
• California Bicycle Coalition
• California Triple Crown
• International Mountain Bicycling Association (IMBA)
• League of American Bicyclists (LAB)
• Northern California/Nevada Cycling Association
• Randonneurs USA (RUSA)
• Regional Bicycle Advocacy Coalition (REBAC)
• Responsible Organized Mountain Pedalers (ROMP)
• Silicon Valley Bicycle Coalition (SVBC)
• Stanford Bicycle Coalition
• Ultra Marathon Cycling (UMCA)
• WOMBATS