| Organization / Program Name(s) | Located In |
|---|---|
| Burlington Amateur Softball Association | Burlington |
| Georgetown Slopitch League | Georgetown |
| Halton Hills. Recreation & Parks, Sports Fields | Halton Hills |
| Milton Girls Softball | Milton |
| Oakville Girls Softball Association | Oakville |
| Slo Pitch Softball Leagues, Burlington | Burlington |
| Slo Pitch Softball Leagues, Oakville | Oakville |
