| Blue Devils AC | Blue Devils Athletics Club |
| Brampton Racers | Brantford T.F.C. |
| Brantford TFC | Burlington TFC |
| Burlington Track & Field Club | Centro Scuola T.F.C. |
| CK Running Club | Durham Dragons |
| Durham Dragons Athletics | Eclipse Track & Field Club |
| Eclipse Track & Field Inc | Etobicoke Track |
| Flying Angels | Flying Angels - Etobicoke |
| Flying Angels Academy | Flying Angels TF Academy |
| Golden Eagles Track Club | Hamilton Olympic Club |
| Invictus Athletics | Just Throws |
| Kitchener Waterloo TFA | Maximus Performance |
| Milton Spikes Track and Field Club | Mississauga Olympians |
| Mississauga Olympians MTA | Mississauga Olympians T&F A.A. |
| Mississauga T.F.C. | Oakville Track & Field Club Athletiques International |
| Pace Track and field club | PACK Running Club |
| Project Go | Shelburne Track Club |
| South Simcoe Dufferin T.F.C. | South Simcoe Dufferin TFC |
| Speed Dee AC | The Gazelles Track and Field Club |
| Thorold Elite TC | Time Bandits |
| Toronto Tornadoes | Toronto West Athletics |
| Unattached (UNA) | Unattached Ontario (UNON) |
| United Tamil SC | United Tamil Sports Club |
| University of Toronto TC | Unknown |
| York Region Runners | York Region Runners Club |
| York University Track & Field Club |