National Center for Bicycling and Walking
Working for a bicycle friendly America

America Walks
America Walks is a national coalition of local advocacy groups dedicated to promoting walkable communities.

California Walks
Similar to America Walks, but on a statewide scale.

Bay Peds
SF Bay Area Pedestrian Education Group

League of American Bicyclists
protecting the rights and promoting the interests of bicyclists nationwide

California Cycling Coalition
the voice of California's bicyclists in Sacramento

Bay Area Bicycle Coalition
"Representing Local Bicycle Coalitions on Regional Issues"

East Bay Bicycle Coalition
An East Bay group promoting bicycling as an everyday means of transportation and recreation since 1972.