| Organization / Program Name(s) | Located In |
|---|---|
| BaseballMilton | Milton |
| Burlington Organized Minor Baseball Association | Burlington |
| Halton Hawks Girls Fastpitch Association | Halton Hills |
| Halton Hills Minor Baseball Association | Halton Hills |
| Oakville Little League Baseball | Oakville |
| Oakville Minor Baseball Association | Oakville |
| Ontario Royals Baseball Club | Oakville |
