| Name | Players | Location |
|---|---|---|
| Hammergirl Anime Mahjong | 18 | United States, NY, Rochester |
| RIT Nine Gates | 26 | United States, NY, Rochester |
| Casual Dragon Mahjong Club | 11 | United States, NY, Lockport |
| Philadelphia Riichi Mah-Jawng Club | 22 | United States, PA, Philadelphia |
| Toronto Riichi | 29 | Canada, ON, Toronto |
| Club Riichi de Montréal | 35 | Canada, QC, Montréal |
| Chun Chun Train | 6 | United States, DE, Newark |
| Riichi Nomi NYC | 43 | United States, New York |
| Southeast Michigan Mahjong | 5 | United States, MI, Ann Arbor |
| Greater Cincinnati Riichi Mahjong | 7 | United States, OH, Cincinnati |
| Riichi Mahjong Columbus | 7 | United States, OH, Columbus |
| DMV Mahjong | 1 | United States, DC, Washington |
| Clermont-Orlando Riichi Player Squad | 6 | United States, FL, Maitland |
| Panhandle Mahjong | 8 | United States, FL, Crestview |
| I Believe Mahjong | 5 | United States, CA, San Jose |
| Adelaide Riichi Mahjong Club | 4 | Australia, South Australia |
| Baltimore Mahjong | 8 | United States, MD, Baltimore |
| Pacific Mahjong League | 31 | United States, CA, Berkeley |
| Seattle Riichi Mahjong Club | 23 | United States, WA, Seattle |
| Tri Nitro Tiles | 1 | France, Paris |
| Portugal Riichi Club | 6 | Portugal, Póvoa de Varzim |
| Rinchan Kaihou Cologne | 1 | Germany, Cologne |
| Kokushi Musou | 11 | Mexico, BC, Mexicali |
| Brazilian Mahjong Association | 48 | Brazil, São Paulo |
| Diamond Dogs | 8 | Japan, Tokyo |
| Discard Brotherhood | 12 | Russia, Kirov |
| Mahjong Chile | 21 | Chile, Chile |
| Pittsburgh Mahjong Club | 1 | United States, PA, Pittsburgh |
| SMU Intellectual Sports | 8 | Singapore, Singapore |
| Riichi Indonesia | 10 | Indonesia, Indonesia |
| Chicago Area Mahjong | 2 | United States, Illinois, Chicago |
| Riichi Organisation Norway | 8 | Norway, Oslo |
| Middle Tennessee Riichi Club | 1 | United States, TN |
| South Texas Tenpais | 4 | United States, TX, Laredo |
| Raleigh Ron Lions | 3 | United States, NC, Raleigh |
| Chun Mahjong Netherlands | 1 | Netherlands, Maastricht |
| Thirteen Online Orphans | 1 | Viet Nam, Saigon |
| Epitanime | 2 | France, Paris |