| 310 Running | Athletics Niagara |
| Blue Devils Athletics Club | Brantford T.F.C. |
| Central Ontario Rogues | Central Toronto Athletic Club |
| Centro Scuola TFC | Durham Legion Athletics |
| Etobicoke Huskies-Striders Track and Field Club | Greater Uxbridge Road Runners |
| Guelph Gryphons | Harbour Track - Hamilton |
| Laurel Creek T.F.C | Laurentian Voyageurs |
| Laurentian Voyaguers | Laurier Golden Hawks |
| Laval Rouge-et-Or | London Legion T.F. Alliance |
| London Western T.F.C | McMaster Marauders |
| Monarch Athletics Club | Monte Cristo Track Club |
| Niagara Olympic Club | Physi-Kult |
| Queen's Gaels | SISU Throws Club |
| Speed River Track & Field Club | Toronto Harriers |
| Toronto Metro Bold | Toronto Varsity Blues |
| Toronto West Athletics | Track North Athletic Club |
| University of Toronto TC | Uxbridge (Unattached) |
| Waterloo Track Club | Waterloo Warriors |
| Western Mustangs | Windsor Lancers |
| York Lions | York University Track & Field Club |