| 310 Running | Airblastoff Lion |
| Athletics Niagara | Beckwith Athletics Club |
| Berlin Athletics | Blue Devils Athletics Club |
| Bolton Pole Vault | BOOST Athletics Club |
| Border City AC | Boris' Beasts Throwing Club |
| Brampton Racers Track & Field Club | Brampton Track Club INC. |
| Brantford T.F.C. | Brockville Legion Track Club |
| Burlington Track & Field Club | C.A.N.I. Athletics |
| Centro Scuola T.F.C. | CRUISERS SPORTS |
| Dorchester Pole Vault Club | Durham Dragons Athletics |
| Durham Legion Athletics | Eclipse Track & Field Inc |
| Elite Jumps | Etobicoke Huskies-Striders Track and Field Club |
| Extreme Velocity Track Club | Flying Angels - Durham |
| Flying Angels Academy | Golden Eagles Track Club |
| Hamilton Olympic Club | Harbour Track - Hamilton |
| I Be Fast Track Club | Invictus Athletics Club |
| Kawartha Lakes Lightning | Kitchener Waterloo T.F.A. |
| Laurel Creek T.F.C | Les Coureurs De Bois |
| London Legion T.F. Alliance | London Western T.F.C |
| Maximus Performance | Mississauga Olympians T&F A.A. |
| Mississauga T.F.C. | Monarch Athletics Club |
| Monte Cristo Track Club | National Capital Track & Field Club |
| Newmarket Huskies Track Club | Niagara Olympic Club |
| Ocean Athletics Track & Field Club | Ottawa Lions T.F.C |
| Peak Velocity Athletics | Project Athletics Track and Field Program |
| Quinte Frontenac Track Club | Royal City Athletics Club |
| Runners Edge Track 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 |
| Stratford Sabrecats Track Club | Sundown Athletics Club |
| Thorold Elite Track Club | Throwers Club |
| Toronto Olympic Track & Field Club | Toronto West Athletics |
| United Tamil Sports Club | University of Toronto TC |
| University of Windsor Athletics Club | UNON - Unattached Ontario |
| UWAC - University of Windsor Athletics Club | Uxbridge (Unattached) |
| Windsor Legion T.F.C | Woodstock Legion Athletic Club |
| York University Track & Field Club |