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/