Masterpoint Reform - Proposes reforms to the rating system for players in the ACBL. - http://www.acblmasterpoints.com/
Bermuda Duplicate Bridge Club and Unit 198 - Presents game schedules, upcoming events and tournaments, lessons, results and information. - http://www.bermudabridge.com/
Playa Mazatlan Duplicate Bridge Club - Winter-only club in Mexico. Schedules and practical information. - http://www.playamazatlanduplicatebridgeclub.com/
ACBL Unit 205 - Presents regional tournaments schedule and results and a list of officers. Includes information about the Matzalan Club. Guadalajara, Jalisco, Mexico. - http://www.d16acbl.org/U205/
District 18 Bridge - Club information for Alberta, Idaho, Montana, Saskatchewan, Utah, and Wyoming. - http://www.wasumi.org/index.htm
American Contract Bridge League - Organizes the game in North America. Tournaments calendar and results, shopping, members information. Official site. - http://www.acbl.org/
BridgeAtSchools - A not-for-profit organization dedicated to using the game of bridge to make a positive difference in the education and development of children and youth. - http://www.bridgeatschools.org/