| 310 Running | Athletics Niagara |
| Bison Athletics Club | Brampton Track Club INC. |
| BURLINGTON TRACK & FIELD CLUB | Central Toronto Athletic Club |
| Durham Dragons Athletics | Etobicoke Huskies-Striders Track and Field Club |
| Georgian Bay Coyotes TC | Guelph Track & Field Club |
| JMAA | KITCHENER WATERLOO T.F.A. |
| Laurel Creek T.F.C | LAUREL CREEK TRACK & FIELD CLUB |
| Longboat Roadrunners | Not attached |
| OT Fitness Track | Project Athletics Track and Field Program |
| Redline | Speed Academy Athletics Club |
| Speed River Track & Field Club | Supreme Athletics |
| Toronto Olympic Track & Field Club | Tough Track |
| Unattached - Ontario | UNIVERSITY OF TORONTO T.C |
| University of Toronto TC | Uxbridge (Unattached) |
| Waterloo Track Club | Waterloo Warriors |
| Windsor Legion T.F.C |