Canada
United States
California
Danville
Gardena
Irvine
OC Riichi Mahjong (Facebook)
Colorado
Northglenn
Advantage Games Mahjong Group (Facebook)
Colorado Springs
Colorado College Mahjong (Facebook)
District of Columbia
Washington DC
Washington MahJong Meetup (Meetup)
Florida
Crestview
Panhandle Mahjong (Facebook)
Illinois
Chicago
Dekalb
Northern Illinois University (NIU) Mahjong Club (Facebook)
Evanston
Mahjong Club at Northwestern University (Facebook)
Schaumburg
Maryland
Baltimore
Baltimore Mahjong Club
Michigan
Ann Arbor
Southeast Michigan Mahjong (Meetup)
Minnesota
Minneapolis-Saint Paul
Minneapolis-Saint Paul Riichi Club, Minneapolis (Website)
Nevada
Las Vegas
Green Dragon Mahjong (Facebook)
New York
Lockport
Western Dragon Mahjong Club (Facebook)
New York City
Rochester
Nine Gates Mahjong Club (Website)
Ohio
Columbus
Riichi Mahjong Columbus (Facebook)
Oklahoma
Tulsa
Oklahoma Mahjong Community (Facebook)
Oregon
Portland
Porltand Mahjong Society (Website)
Pennsylvania
Philadelphia
Philadelphia Riichi Mahjong Club (Website)
Tennessee
Texas
Washington
Mexico
Baja California
Mexicali
Kokushi Musou (Website)