| Organization / Program Name(s) | Located In |
|---|---|
| AWARE Simcoe | Simcoe County |
| Coalition on the Niagara Escarpment | Hamilton |
| Earth Day Canada | Toronto Downtown |
| Nottawasaga Valley Conservation Authority, Tiffin Centre for Conservation | Utopia |
| Simcoe County Greenbelt Coalition, Mailing Address | Simcoe |
| South Simcoe Streams Network | New Tecumseth |