| Blue Devils Athletics Club | Brampton Racers Track & Field Club |
| Brantford TFC | CK Running Club |
| Crown Athletics | Durham Dragons |
| Durham Dragons Athletics | Eclipse Track & Field Club |
| Eclipse Track & Field Inc | Flower City Athletics |
| Flying Angels Academy | Flying Angels TF Academy |
| Georgian Bay Coyotes | Golden Eagle Track Club |
| Invictus Athletics | Just Throws |
| Maximus Performance | Mississauga Olympians |
| Mississauga T.F.C. | Motown Athletics Club |
| Oakville Renegades Track Club | Oakville Track & Field Club Athletiques International |
| Project Go | Quest Sports Track and Field Club |
| RoadRunners Track & Field | Simple Fitness Track Club |
| Speed Dee AC | Stratford Sabrecats Track Club |
| The Gazelles Track and Field Club | Toronto Olympic Track & Field Club |
| Unattached Ontario | United Tamil SC |
| United Tamil Sports Club | Variety Village Athletic Club |
| Woodstock Legion AC | Woodstock Legion Athletic Club |
| York Region Runners | York Region Runners Club |
| York University TFC | York University Track & Field Club |