| All Heart Pet Rescue | Powassan |
| Alliston & District Humane Society | Adjala-Tosorontio |
| Almaguin Pet Rescue | Sundridge |
| Animal Rescue Krew | Quinte West |
| Blue Mountain Veterinary Services, Operation Catsnip | Blue Mountains |
| Cats Anonymous Rescue and Adoption | East Garafraxa |
| Comfie Cat Shelter | Orillia |
| Furry Friends Animal Shelter, Barrie | Barrie |
| General Topics and Information - Central East, Animal Cruelty Complaints | |
| Georgian Triangle Humane Society, Collingwood - 10th Line | Collingwood |
| Grey Bruce Animal Shelter | Owen Sound |
| Haven of The Heart | Adjala-Tosorontio |
| Humane Society of Kawartha Lakes, Lindsay - 107 McLaughlin Rd | Kawartha Lakes |
| Indian River Reptile Zoo | Otonabee-South Monaghan |
| Lakefield Animal Welfare Society | Selwyn Township |
| Muskoka Animal Rescue, Mailing Address | Huntsville |
| My Grandfather's Cat, No Physical Address - Online Service | |
| Northumberland Humane Society, Animal Shelter, Cobourg - Theatre Rd S | Cobourg |
| Ontario Society for the Prevention of Cruelty to Animals, Bracebridge, Muskoka Animal Centre | Bracebridge |
| Ontario Society for the Prevention of Cruelty to Animals, Orillia | Orillia |
| Ontario SPCA, Orangeville and District Animal Centre | Orangeville |
| Ontario SPCA and Humane Society, Barrie - 91 Patterson Rd, Ontario SPCA - Barrie Animal Centre | Barrie |
| Ontario SPCA Midland & District Animal Centre, Provincial Animal Transfer Hub, Community Support Services - Animal Centre and Adoption | Tay |
| Ontario SPCA Midland & District Animal Centre, Provincial Animal Transfer Hub, Feline Spay/Neuter Surgeries | Tay |
| Owen Sound Animal Shelter | Owen Sound |
| Peterborough Humane Society, Peterborough - Technology Dr | Peterborough |
| Precious Paws Rescue | Oro-Medonte |
| PrimRose Donkey Sanctuary | Alnwick/Haldimand |
| SMILE Animal Society | Meaford |
| Stratford Perth Humane Society | Stratford |
| Street Cats Rescue | Barrie |