| Aspen Valley Wildlife Sanctuary | Seguin |
| Barrie Bassmasters | Barrie |
| Barrie District Hunters and Anglers Conservation Club | Springwater |
| Bear Creek Exotic Wildlife Sanctuary | Barrie |
| Bear With Us Centre for Bears | |
| Credit Valley Conservation, Island Lake Conservation Area, Island Lake Conservation Area | Orangeville |
| Friends of the Nancy Island Historic Site and Wasaga Beach Park | Wasaga Beach |
| Georgian Bay Turtle Hospital | Oro-Medonte |
| Heinbuch Wildlife Control, No Physical Address | Perth East |
| Mnjikaning Fish Fence Circle | Orillia |
| MTM Conservation Association, Tiny Marsh Nature Centre, Tiny Marsh Provincial Wildlife Area | Tiny |
| Muskoka Conservancy | Bracebridge |
| Ontario. Ministry of Environment, Conservation and Parks, Bracebridge Field Office | Bracebridge |
| Ontario. Ministry of Environment, Conservation and Parks, Midhurst District Office, Midhurst (Huronia) District Office | Springwater |
| Ontario. Ministry of Environment, Conservation and Parks, Owen Sound Field Office | Owen Sound |
| Ontario. Ministry of Environment, Conservation and Parks, Parry Sound District Office, Southern Region | Parry Sound |
| Ontario. Ministry of Environment, Conservation and Parks, Peterborough - Mailing Address, Natural Resources Information and Support Centre | Peterborough |
| Ontario. Ministry of Northern Development, Mines, Natural Resources and Forestry, District Office - Peterborough | Peterborough |
| Ontario. Northern Development, Mines, Natural Resources and Forestry, Parry Sound District Office, Southern Region | Parry Sound |
| Orillia Fish and Game Conservation Club | Orillia |
| Procyon Wildlife Rehabilitation and Education Centre, Procyon Wildlife | Beeton |
| General Topics and Information - Central East, Reporting Sick, Orphaned or Injured Wild Animals | |
| Stratford Field Naturalists, Mailing Address | Stratford |
| Sydenham Conservation Foundation | |
| Sydenham Sportsmen's Association | Georgian Bluffs |
| Woodlands Wildlife Sanctuary | |
| Wye Marsh Wildlife Centre | Midland |