| Bisons Track Club | Brampton Racers TC |
| Brantford TFC | Burlington TFC |
| Burlington Track & Field Club | Centro Scuola TFC |
| CK Running Club | Durham Dragons Athletics |
| Eclipse Track & Field Club | Emmanuel Christian High School |
| Etobicoke Track | Flying Angels |
| Georgian Bay Coyotes | Hamilton Olympic Club |
| Kitchener Waterloo TFA | Maximus Performance |
| Milton Spikes Track and Field Club | Mississauga Olympians |
| Mississauga Olympians MTA | Mississauga Olympians T&F A.A. |
| Monte Cristo Track Club | Newmarket Huskies TC |
| Oakville Renegades Track Club | Oakville Track & Field Club Athletiques International |
| OTHER | PACK Running Club |
| Project Go | Quest Sports Track and Field Club |
| South Simcoe Dufferin TFC | The Gazelles Track and Field Club |
| Thorold Elite TC | Thorold Elite Track Club |
| Toronto Olympic Track & Field Club | Toronto West Athletics |
| unassigned | United Tamil SC |
| United Tamil Sports Club | York Region Runners |
| York Region Runners Club |