Organizations:

Albuquerque Bonsai Club (ABC)  http://www.abqbonsaiclub.com/

American Bonsai Society   http://www.absbonsai.org/

Bonsai Clubs international   http://www.bonsai-bci.com/

US National Bonsai and Penjing Museum  http://www.usna.usda.gov/

Golden State Bonsai  Federation (GSBF)  http://www.gsbf-bonsai.org/

LSBF (Lone Stare Bonsai Federation)  http://www.houstonbonsai.com/lsbf.asp

National Bonsai Foundation    http://www.bonsai-nbf.org/

Discussion Groups

Internet Bonsai Club   http://ibonsaiclub.forumotion.com/

Art of Bonsai Project http://www.artofbonsai.org/

Knowledge of Bonsai   http://www.knowledgeofbonsai.org/articles/index.php

Bonsai Magazines

Bonsai  Focus (English edition)   http://bonsaifocus.com/

International Bonsai  http://www.internationalbonsai.com/

Bonsai  Nurseries

Dallas Bonsai Garden (Al wire, tools)  http://www.dallasbonsai.com/

Adams Bonsai (Cu wire) http://www.adamsbonsai.com/

Deer Meadow Bonsai (Cu wire, plants)http://www.jimgremel.com/bonsaihomepage.html

Bonsai Northwest (Seattle) (plants, pots) http://www.bonsainw.com/

Articles

http://www.evergreengardenworks.com/