
| 310 Running | Athletics Niagara |
| Athos Club | Blue Devils Athletics Club |
| Boardwalk RC | Bolton Pole Vault |
| BOOST Athletics Club | Border City AC |
| Brampton Track Club | Brantford T.F.C. |
| Brockville Legion Track Club | Bullets Track Club |
| Burlington Track & Field Club | Central Ontario Rogues |
| Central Toronto Athletic Club | Centro Scuola T.F.C. |
| Durham Dragons Athletics | Durham Legion Athletics |
| Etobicoke Huskies-Striders Track and Field Club | Extreme Velocity Track Club |
| First Attempt Jumps Academy | Flying Angels Academy |
| Game Speed International | Georgian Bay Coyotes TC |
| Guelph Track & Field Club | Hamilton Elite Athletic Team |
| Hamilton Olympic Club | Huron-Perth Wind |
| I Be Fast Track Club | Invictus Athletics Club |
| Kingston Track & Field Club | Kitchener Waterloo T.F.A. |
| Laurel Creek T.F.C | London Legion T.F. Alliance |
| London Western T.F.C | Milton Shock Track and Field Club |
| Mississauga Olympians T&F A.A. | Mississauga T.F.C. |
| Monte Cristo Track Club | Newmarket Huskies Track Club |
| Niagara Olympic Club | NITH RIVER RUNNERS |
| North Halton Stars T.F.C. | Oakville Renegades Track Club |
| Oakville Track & Field Club Athletiques International | Peterborough Legion Track Club |
| Phoenix Athletics Assoc. of Ontario | Project Athletics Track and Field Program |
| Quinte Frontenac Track Club | Sarnia Athletics Southwest TFC |
| Saugeen Track & Field Association | SISU Throws Club |
| South Simcoe Dufferin T.F.C. | Speed Academy Athletics Club |
| Speed River Track & Field Club | St Thomas Legion Track & Field Club |
| Supreme Athletics | Terminal Velocity Track Club |
| The Gazelles | Thorold Elite Track Club |
| Toronto Olympic Track & Field Club | Toronto West Athletics |
| Track North Athletic Club | Ultimate Body Sprint Club |
| United Tamil Sports Club | University of Toronto TC |
| University of Windsor Athletics Club | UNON - Unattached Ontario |
| Uxbridge (Unattached) | Variety Village Athletic Club |
| Windsor Legion T.F.C | York Region Runners Club |
| York University Track & Field Club |