
| 310 Running | Athletics Niagara |
| Blue Devils Athletics Club | Bolton Pole Vault |
| Border City AC | Brampton Track Club |
| Brantford T.F.C. | Burlington Track & Field Club |
| Central Ontario Rogues | Central Toronto Athletic Club |
| Centro Scuola T.F.C. | Durham Dragons Athletics |
| Durham Legion Athletics | First Attempt Jumps Academy |
| Flying Angels Academy | Hamilton Olympic Club |
| Kingston Track & Field Club | Laurel Creek T.F.C |
| London Legion T.F. Alliance | London Western T.F.C |
| Milton Shock Track and Field Club | Monte Cristo Track Club |
| Newmarket Huskies Track Club | Niagara Olympic Club |
| NITH RIVER RUNNERS | North Bay Legion |
| ONRA - NIAGARA REGIONAL ATHLETICS | Phoenix Athletics Assoc. of Ontario |
| Project Athletics Track and Field Program | ROYAL ATHLETIC CLUB |
| Sarnia Athletics Southwest TFC | Saugeen Track & Field Association |
| South Simcoe Dufferin T.F.C. | Speed Academy Athletics Club |
| Speed City Track Club | Speed River Track & Field Club |
| St Thomas Legion Track & Field Club | Supreme Athletics |
| Terminal Velocity Track Club | Toronto Olympic Track & Field Club |
| Toronto Tornadoes | Track North Athletic Club |
| Ultimate Body Sprint Club | United Tamil Sports Club |
| University of Toronto TC | UNON - Unattached - Ontario |
| Uxbridge (Unattached) | Windsor Legion T.F.C |
| York Region Runners Club | York University Track & Field Club |