Current Single-A (baseball) team owners and the principals that operate the clubs:
| Team | Division | Owner(s) | Principal(s) | Year acquired | Affiliate |
|---|---|---|---|---|---|
| Fresno Grizzlies | North | Diamond Baseball Holdings [1] | Pat Battle (chairman); Peter B. Freund (CEO) | 2023 | Colorado Rockies |
| Inland Empire 66ers | South | Diamond Baseball Holdings [2] | Pat Battle (chairman); Peter B. Freund (CEO) | 2024 | Seattle Mariners |
| Lake Elsinore Storm | South | Storm LP | Gary E. Jacobs | San Diego Padres | |
| Ontario Tower Buzzers | North | Diamond Baseball Holdings [3] | Pat Battle (chairman); Peter B. Freund (CEO) | 2025 | Los Angeles Dodgers |
| Rancho Cucamonga Quakes | South | Diamond Baseball Holdings [4] | Pat Battle (chairman); Peter B. Freund (CEO) | 2024 | Los Angeles Angels |
| San Jose Giants | North | Diamond Baseball Holdings | Pat Battle (chairman); Peter B. Freund (CEO) | 2021 | San Francisco Giants |
| Stockton Ports | North | 7th Inning Stretch LLC [5] | Tom Volpe | 2002 | Athletics |
| Visalia Rawhide | South | First Pitch Entertainment LLC [6] | Sam Sigal | 2019 | Arizona Diamondbacks |