
| Athletics Niagara | BDAC - Blue Devils Athletics Club |
| Blue Devils Athletics Club | BRNT - Brantford T.F.C. |
| Brock Badgers | BURL - Burlington Track & Field Club |
| Burlington Track & Field Club | Centro Scuola T.F.C. |
| CRUI - CRUISERS SPORTS | DURA - Durham Dragons Athletics |
| Durham Dragons Athletics | DVTC - Dundas Valley Track Club |
| EDGE - Edge Sport Track Club | Edge Sport Track Club |
| ETFI - Eclipse Track & Field Inc | ETOB - Etobicoke Huskies-Striders Track and Field Club |
| Etobicoke Huskies-Striders Track and Field Club | Extreme Velocity Track Club |
| GMTC - Glen Manor Track Club | Hamilton Olympic Club |
| HARB - Harbour Track - Hamilton | JMAC - JAMCAN International Athletics Club |
| Khalsa Elite Movers | Kinplus |
| LAUR - Laurel Creek T.F.C | Laurel Creek T.F.C |
| London western | LWTF - London Western T.F.C. |
| M2M | MCTC - Monte Cristo Track Club |
| Mississauga T.F.C. | MOAC - Monarch Athletics Club |
| MOCA - Motown Athletics Club | Mohawk College |
| Monarch Athletics Club | Monte Cristo Track Club |
| Newmarket Huskies Track Club | Niagara Olympic Club |
| NOCO - Niagara Olympic Club | OHOC - Hamilton Olympic Club |
| OSSD - South Simcoe Dufferin T.F.C. | PACK - PACK Running Club |
| RCAO - Royal City Athletics Club | Royal City Athletics Club |
| SAAC - Speed Academy Athletics Club | Sarnia Athletics Southwest TFC |
| SASW - Sarnia Athletics Southwest TFC | SAUG - Saugeen Track & Field Association |
| Scirocco (ESP) | SJTC - Saint John Reds Track & Field |
| SOTO - Special Olympics Ontario | South Simcoe Dufferin T.F.C. |
| StrideWise Running | TETC - Thorold Elite Track Club |
| Thorold Elite Track Club | Time Bandits |
| Top G Athletic Club (TGAC) | Toronto Olympic Track & Field Club |
| TOWA - Toronto West Athletics | Track North Athletic Club |
| Unattached Ontario (UNON) | University of Toronto TC |
| UNON - Unattached Ontario | UTTC - University of Toronto TC |
| UWTC - Waterloo Track Club | Waterloo Track Club |
| Windsor Legion T.F.C | WLEG - Windsor Legion T.F.C |
| WLEG - Windsor Legion T.F.C. | YREG - York Region Runners Club |