| Avon Trail Hiking Assocation | Stratford |
| Barrie Canoe & Kayak Club, Mailing Address | Barrie |
| Beaver Valley Bruce Trail Club | Meaford |
| Blue Mountains Bruce Trail Club | Collingwood |
| Credit Valley Conservation, Island Lake Conservation Area, Island Lake Conservation Area | Orangeville |
| Ganaraska Forest Centre | Port Hope (Municipality of) |
| Ganaraska Hiking Trail Association, North Simcoe / Orillia, Ganaraska Hiking Trail Association, North Simcoe / Orillia | Orillia |
| Ganaraska Hiking Trail Association, Barrie Section | Orillia |
| Ganaraska Hiking Trail Association, Orillia - Mailing Address, Orillia Section | Orillia |
| Ganaraska Hiking Trail Association, Oro Medonte Section, Orillia - Mailing Address | Orillia |
| Ganaraska Hiking Trail Association, Peterborough - Mailing Address, Kawartha Chapter | Peterborough |
| Ganaraska Hiking Trail Association, Port Hope - Mailing Address, Pine Ridge Hiking Club | Port Hope (Municipality of) |
| Ganaraska Mad River Hiking Club | Simcoe |
| Georgian Bay Islands National Park of Canada | Georgian Bay Township |
| Kincardine Trails Association | Kincardine |
| Lakefield Trail Stewardship Committee | Selwyn Township |
| Maitland Trail Association, Mailing Address | Goderich |
| Midland Hiking Club (The) | Midland |
| Nature League, Collingwood - Mailing Address | Collingwood |
| North Perth Trails | North Perth |
| Ontario. Ministry of Environment, Conservation and Parks, Copeland Forest, Midhurst (Huronia) District Office | Springwater |
| Ontario. Ministry of Environment, Conservation and Parks, Oro-Medonte, Ontario Parks - Bass Lake Provincial Park | Orillia |
| Otonabee Region Conservation Authority, Warsaw - Caves Rd, Warsaw Caves Conservation Area | Douro-Dummer |
| Sawyer Preservation Woodlot Association | West Perth |
| Simcoe County Trails, Mailing Address, Oro-Medonte Lake Country RailTrail | Oro-Medonte |
| Sydenham Bruce Trail Club | Owen Sound |
| The Georgian Cycle & Ski Trail Association | Collingwood |
| Township of Algonquin Highlands, Dorset Recreation Centre - Main St, Parks, Recreation and Trails - Dorset Recreation Centre | Lake of Bays Township |
| Township of Algonquin Highlands, Parks, Recreation and Trails - Trails, Trails - Hwy 35 N | Algonquin Highlands |
| Upper Thames River Conservation Authority, St. Marys, Wildwood Conservation Area | St Marys |
| Wasaga Ganaraska Hiking Trail Club | Wasaga Beach |
| West Perth. Municipal Office, West Perth Thames Nature Trail and Wetlands | West Perth |
| Whitewater Ontario, Minden Whitewater Preserve | Minden Hills |