| Bayfield Historical Society, Archives & Heritage Centre, Bayfield Historical Society & Archives | Bluewater |
| Beautiful Joe Heritage Society | Meaford |
| Belmont Methuen and Havelock Historical Society, Havelock Town Hall | Havelock |
| Bruce County Historical Society | Southampton |
| Campbellford-Seymour Heritage Society | Trent Hills |
| Cobourg and District Historical Society | Cobourg |
| Collingwood and District Historical Society | Collingwood |
| Douro-Dummer. Municipal Office, Douro-Dummer Historical Committee, Douro - 4th Line | Selwyn Township |
| Essa Historical Society | Essa |
| Hastings Historical Society | Trent Hills |
| Huron County Historical Society | Goderich |
| Huronia Museum and Huron-Ouendat Village | Midland |
| Innisfil Historical Society | Innisfil |
| Lakefield Historical Society, Lakefield - Mailing Address | Lakefield |
| Marine Heritage Society and Propeller Club | Saugeen Shores |
| Millbrook Cavan Historical Society | Cavan Monaghan |
| Peterborough Historical Society | Peterborough |
| Simcoe County Historical Association | Barrie |
| Smith Ennismore Historical Society | Selwyn Township |
| Society for Creative Anachronism, The Canton of Petrea Thule | Peterborough |
| Sparrow Lake Historical Society | Severn |
| St Joseph and Area Historical Society, St. Joseph Memorial Park | Bluewater |
| Stayner Heritage Society | Clearview (Simcoe County) |
| Stratford Perth Heritage Foundation, Fryfogel Arboretum | Perth East |
| Stratford Perth Heritage Foundation, Fryfogel Tavern Restoration Project | Perth East |
| Stratford Perth Heritage Foundation | Perth East |
| Stratford Perth Museum | Stratford |
| Tecumseth and West Gwillimbury Historical Society | Bradford West Gwillimbury |
| Wasaga Beach Archives, Wasaga Beach Public Library | Wasaga Beach |