| Organization / Program Name(s) | Located In |
|---|---|
| Collingwood and District Historical Society | Collingwood |
| Essa Historical Society | Essa |
| Huronia Museum and Huron-Ouendat Village | Midland |
| Innisfil Historical Society | Innisfil |
| Simcoe County Historical Association | Barrie |
| Tecumseth and West Gwillimbury Historical Society | Bradford West Gwillimbury |