| Canadian Mental Health Association, York Region and South Simcoe, CMHA Alliston | New Tecumseth |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 128 Anne St S, Case Management | Barrie |
| Kinark Child and Family Services, Barrie - Simcoe St, Family, Individual, and Group Counselling | Barrie |
| New Path Youth and Family Services of Simcoe County, Alliston Office, Child and Youth Mental Health Quick Access Clinic | New Tecumseth |
| New Path Youth and Family Services of Simcoe County, Alliston Office, Youth and Family Counselling Services | New Tecumseth |
| New Path Youth and Family Services of Simcoe County, Barrie - Lakeshore Dr, Attendance Centre | Barrie |
| New Path Youth and Family Services of Simcoe County, Barrie Head Office, Adolescent Outreach Program | Barrie |
| New Path Youth and Family Services of Simcoe County, Barrie Head Office, Early Years Services | Barrie |
| New Path Youth and Family Services of Simcoe County, Barrie Head Office | Barrie |
| New Path Youth and Family Services of Simcoe County, Bradford Office, Child and Youth Mental Health Quick Access Clinic | Bradford West Gwillimbury |
| New Path Youth and Family Services of Simcoe County, Bradford Office, Youth and Family Counselling Services | Bradford West Gwillimbury |
| New Path Youth and Family Services of Simcoe County, Midland Office, Child and Youth Mental Health Quick Access Clinic | Midland |
| Stevenson Memorial Hospital, Mary McGill Community Mental Health Program | New Tecumseth |