Local Bonsai Clubs:
Bay Area Satsuki Aikokai
Bay Island Bonsai
Bonsai Society of San Francisco
East Bay Bonsai Society
Kusamura Bonsai Club
Marin Bonsai Club
Napa Valley Bonsai Club
San Jose Betsuin
Santa Cruz Bonsai Kai
Sei Boku Bonsai Kai
State and National Organizations:
American Bonsai Society
Golden State Bonsai Federation
National Bonsai Federation
North American Bonsai Federation