American Bicycle Polo Association
Based in Richland Washington.
http://hometown.aol.com/fourchukker/index.html

Bicycle Polo Association of America
Not quite as cool as bikeball, but still interesting......
http://www.bicyclepolo.org/

CCCP - Canadian Coalition of Cycle Polo
Bicycle polo North of the border...
http://persweb.direct.ca/tsetse/

CPFI - Cycle Polo Federation of India
A big organization - 10,000 players in India.
http://cyclepolo.com/

Calgary and Edmonton Bike Polo
They use a wiffle ball and a mallet fashioned from a golf club....
http://www.bikepolo.freeservers.com/

Jericho Polo Association
CCCP member club in Vancouver, Canada.
http://persweb.direct.ca/tsetse/jcpa/jcpa.html

Polo-Velo
Bicycle Polo Commission of the French Cycling Federation.
http://www.chez.com/polovelo/english/index.htm

St. Cloud Bike Polo
Our neighbors here in Minnesota.
http://www.nateswenson.com/scbp.html

San Diego Bike Polo Club (World Bike Polo League)
San Diego, CA (and bicycle polo on ice, too!)
http://www.mountainbikecentral.com/newsite/bikepolo.htm

U. S. Bicycle Polo Association
Yet another bike polo group on the net (with equipment for sale).
http://www.bikepolo.com/