| Athletics Niagara | Blue Devils Athletics Club |
| Boardwalk RC | Border City AC |
| Brampton Racers Track & Field Club | Burlington Track & Field Club |
| Centro Scuola T.F.C. | Durham Dragons Athletics |
| Etobicoke Huskies-Striders Track and Field Club | Flying Angels Academy |
| Golden Eagles Track Club | Hamilton Olympic Club |
| Harbour Track - Hamilton | JAMCAN International Athletics Club |
| Laurel Creek T.F.C | London Western T.F.C |
| Maximus Performance | Monarch Athletics Club |
| Monte Cristo Track Club | Newmarket Huskies Track Club |
| Peterborough Legion Track Club | Phoenix Athletics Assoc. of Ontario |
| Physi-Kult | RCAO - Royal City Athletics Club |
| Royal City Athletics Club | Sarnia Athletics Southwest TFC |
| Saugeen Track & Field Association | South Simcoe Dufferin T.F.C. |
| Speed Academy Athletics Club | St Thomas Legion Track & Field Club |
| Thorold Elite Track Club | Toronto Olympic Track & Field Club |
| Toronto Racers Athletic Club | Toronto West Athletics |
| University of Toronto TC | University of Windsor Athletics Club |
| UNON - Unattached Ontario | Windsor Legion T.F.C |
| York University Track & Field Club |