| Nom(s) d'organisme / programme | Situé à |
|---|---|
| AWARE Simcoe | Simcoe (Comté) |
| Environment Network, Réseau d'environnement | Collingwood |
| Nature League, Collingwood - Mailing Address | Collingwood |
| Nottawasaga Valley Conservation Authority, Tiffin Centre for Conservation | Utopia |
| Severn Sound Environmental Association | Tay |
| Severn Sound Source Protection Authority, Drinking Water Source Protection | Tay |
| Simcoe County Greenbelt Coalition, Adresse postale | Simcoe |