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| History |
| Planetary Extreme Baseball Alliance (PEBA) | League Home | League History |
| Global Baseball Brotherhood (GBB AAA) | League Home | League History |
| Great Northern League (GNL AA) | League Home | League History |
| North American Farm Team Affiliation (NAFTA A) | League Home | League History |
| United States Collegiate Baseball Association (USCBA COL) | League Home | League History |
| Interscholastic Federation (IF HS) | League Home | League History |
| League of the Rising Sun (LRS-JPN) | League Home | League History |
| Minarai Doumei (MD-JPN AAA) | League Home | League History |
| Alianza Béisbol Al Sur de la Frontera (ABSF-MEX AAA) | League Home | League History |
| Liga Dominicana de Béisbol Invernal (LDBI-DOM WL) | League Home | League History |
| San Juan Winter League (SJWL-PR WL) | League Home | League History |
| Surf and Snow Amalgamation (SS-A) | League Home | League History |
| Ruukii Kyuugi (RK-JPN A) | League Home | League History |
| Tokyo Collegiate Circuit (TCC-JPN COL) | League Home | League History |
| Nihon Koyaren (NK-JPN HS) | League Home | League History |
