| Barrie. Recreation and Culture Services, Parks, Trails and Waterfront | Barrie |
| Ganaraska Forest Centre | Port Hope (Municipality of) |
| Ganaraska Hiking Trail Association, North Simcoe / Orillia, Ganaraska Hiking Trail Association, North Simcoe / Orillia | Orillia |
| GreenUP, Ecology Park | Peterborough |
| Kawartha Field Naturalists | Kawartha Lakes |
| Nature Barrie | Barrie |
| Peterborough (City of). Community Services, Peterborough - King Street, Otonabee River Trail & Millennium Park | Peterborough |
| Peterborough Field Naturalists | Peterborough |
| The Georgian Cycle & Ski Trail Association | Collingwood |