| Team name | Location | League | Level | Status |
|---|---|---|---|---|
| Berlin Busy Bees | Kitchener, Ontario | Canadian League | professional | defunct |
| Berlin Green Sox | Kitchener, Ontario | Canadian League | professional | defunct |
| Brantford Indians | Brantford, Ontario | Canadian League | professional | defunct |
| Brantford Red Sox | Brantford, Ontario | Canadian League | professional | defunct |
| Chatham Babes | Chatham, Ontario | Canadian League | professional | defunct |
| Chatham Reds | Chatham, Ontario | Canadian League | professional | defunct |
| Erie Yankees | Erie, Pennsylvania | Canadian League | professional | defunct |
| Galt Galts | Galt, Ontario | Canadian League | professional | defunct |
| Grand Rapids Boers | Grand Rapids, Michigan | Canadian League | professional | defunct |
| Guelph Maple Leafs | Guelph, Ontario | Canadian League | professional | defunct |
| Hamilton Blackbirds | Hamilton, Ontario | Canadian League | professional | defunct |
| Hamilton Clippers | Hamilton, Ontario | Canadian League | professional | defunct |
| Hamilton Hams | Hamilton, Ontario | Canadian League | professional | defunct |
| Hamilton Kolts | Hamilton, Ontario | Canadian League | professional | defunct |
| Hamilton Primrose | Hamilton, Ontario | Canadian League | professional | defunct |
| Hamilton Tigers | Hamilton, Ontario | Canadian League | professional | defunct |
| Ingersoll | Ingersoll, Ontario | Canadian League | professional | defunct |
| London Cockneys | London, Ontario | Canadian League | professional | defunct |
| London Tecumsehs | London, Ontario | Canadian League | professional | defunct |
| Ottawa Senators | Ottawa, Ontario | Canadian League | professional | defunct |
| Peterborough Petes | Peterborough, Ontario | Canadian League | professional | defunct |
| Peterborough White Caps | Peterborough, Ontario | Canadian League | professional | defunct |
| Port Huron Tunnelites | Port Huron, Michigan | Canadian League | professional | defunct |
| Saginaw | Saginaw, Michigan | Canadian League | professional | defunct |
| Simcoe | Simcoe, Ontario | Canadian League | professional | defunct |
| St. Thomas Saints | St. Thomas, Ontario | Canadian League | professional | defunct |
| Stratford Poets | Stratford, Ontario | Canadian League | professional | defunct |
| Toronto Beavers | Toronto, Ontario | Canadian League | professional | defunct |
| Toronto Canucks | Toronto, Ontario | Canadian League | professional | defunct |
| Toronto Torontos | Toronto, Ontario | Canadian League | professional | defunct |
| Woodstock Bains | Woodstock, Ontario | Canadian League | professional | defunct |
| Woodstock Maroons | Woodstock, Ontario | Canadian League | professional | defunct |