| Bartimaeus, Simcoe County - Mobile service | Barrie |
| Beautiful Minds, Mailing Address | Orillia |
| Canopy Support Services, Peterborough, Behavioural Consultation Services | Peterborough |
| Centre for Behaviour Health Sciences, Barrie Office, Behaviour Clinic of York and Simcoe | Barrie |
| Hands TheFamilyHelpNetwork.ca, Adult Developmental Services, Parry Sound | Parry Sound |
| Hands TheFamilyHelpNetwork.ca, Adult Developmental Services, Powassan | Powassan |
| Hands TheFamilyHelpNetwork.ca, Adult Developmental Services, Sundridge | Sundridge |
| Hands TheFamilyHelpNetwork.ca, Powassan, Hands TheFamilyHelpNetwork.ca, Powassan | Powassan |
| Kinark Child and Family Services, Barrie - Simcoe St, SNAP - Stop Now And Plan program | Barrie |
| Northumberland Child Development Centre, Infant and Child Development Program, Port Hope | Port Hope (Municipality of) |
| Northumberland Child Development Centre, Play Therapy, Port Hope | Port Hope (Municipality of) |
| Northumberland Child Development Centre, Port Hope, Administration | Port Hope (Municipality of) |
| Rebound Child & Youth Services Northumberland, CHOICES | Cobourg |
| Regional Support Associates, Walkerton, Support Services for Adults with Intellectual Disabilities, Walkerton | Brockton |
| TVCC, Owen Sound, Child and Youth Rehabilitation Services, Owen Sound | Owen Sound |
| TVCC, Stratford, Child and Youth Rehabilitation Services, Stratford | Stratford |