| Blue Devils AC | Blue Devils Athletics Club |
| Blue Devils Athletics Club (BLUE) | Brampton Racers |
| Brantford T.f.c. (BRNT) | Brantford TFC |
| Brantford Tfc (BRN) | Burlington TFC |
| Burlington Track & Field Club (BURL) | Centro Scuola T.F.C. |
| CK Running Club | Ck Running Club (CKR) |
| Durham Dragons | Durham Dragons (DUR) |
| Durham Dragons Athletics (DURA) | Eclipse Track & Field Club |
| Eclipse Track & Field Club (ECL) | Eclipse Track & Field Inc (ETFI) |
| Etobicoke Track | Flying Angels |
| Flying Angels - Etobicoke (FLYET) | Flying Angels Academy |
| Flying Angels Academy (FLYA) | Flying Angels TF Academy |
| Golden Eagles Track Club (GETC) | Hamilton Olympic Club (OHOC) |
| Invictus Athletics | Invictus Athletics (INV) |
| Just Throws | Kitchener Waterloo TFA |
| Maximus Performance | Maximus Performance (MXPF) |
| Milton Spikes Track and Field Club | Mississauga Olympians |
| Mississauga Olympians (MOA) | Mississauga Olympians Mta (MOA) |
| Mississauga Olympians T&F A.A. | Mississauga Olympians T&F A.a. (MOAA) |
| Mississauga T.F.C. | Oakville Track & Field Club Athletiques International (ATIN) |
| Pace Track and field club | PACK Running Club |
| Pack Running Club (PACK) | Project Go |
| Shelburne Track Club | South Simcoe Dufferin T.f.c. (OSSD) |
| South Simcoe Dufferin TFC | South Simcoe Dufferin Tfc (SSD) |
| Speed Dee AC | The Gazelles Track and Field Club |
| The Gazelles Track And Field Club (GAZ) | Thorold Elite TC |
| Thorold Elite Tc (THO) | Time Bandits (TIB) |
| Toronto Tornadoes (TOR) | Toronto West Athletics |
| Unattached (UNA) | Unattached Ontario (UNON) |
| United Tamil SC | United Tamil Sports Club (UTSC) |
| University Of Toronto Tc (UTTC) | Unknown (UNK) |
| York Region Runners | York Region Runners Club (YREG) |
| York University Track & Field Club |