| Brightshores Health System, Owen Sound Hospital, Mental Health Services Department | Owen Sound |
| Campbellford and District Community Mental Health Centre | Trent Hills |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 205 | Owen Sound |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Peterborough - 415 Water St, Administration Office | Peterborough |
| Canadian Mental Health Association, Muskoka-Parry Sound, Bracebridge Office, General Services | Bracebridge |
| Canadian Mental Health Association, Muskoka-Parry Sound, Huntsville Office, General Services | Huntsville |
| Canadian Mental Health Association, Muskoka-Parry Sound, Parry Sound Office, B'saanibamaadsiwin Aboriginal Mental Health | Parry Sound |
| Canadian Mental Health Association, Muskoka-Parry Sound, Parry Sound Office, General Services - Parry Sound | Parry Sound |
| Canadian Mental Health Association, Muskoka-Parry Sound, Sundridge Office, General Services | Sundridge |
| Canadian Mental Health Association, Peel Dufferin Branch, Orangeville Office, Mental Health Supports | Orangeville |
| 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, Addiction Services | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 128 Anne St S, Case Management | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Collingwood - 186 Erie St - Suite 101, Addiction Services | Collingwood |
| Canadian Mental Health Association. Simcoe County Branch, Midland, Addiction Services | Midland |
| Canadian Mental Health Association. Simcoe County Branch, Orillia - 50 Nottawasaga St, Addiction Services | Orillia |
| Chimo Youth & Family Services Inc., Lindsay | Kawartha Lakes |
| Chippewas of Nawash Unceded First Nation, Neyaashiinigmiing - 247 Prairie Rd, Youth Mental Health Program | Neyaashiinigmiing |
| Collingwood General and Marine Hospital, Outpatient Mental Health Services | Collingwood |
| Collingwood General and Marine Hospital, Wasaga Beach Satellite Office, Outpatient Mental Health Services, Wasaga Beach Satellite Office | Wasaga Beach |
| Enaahtig Healing Lodge and Learning Centre, Orillia Location, Mental Health Outreach Team | Orillia |
| Georgian Bay Family Health Team | Collingwood |
| Huron Health System - Alexandra Marine and General Hospital, Clinton, Huron Community Mental Health Services | Central Huron |
| Huron Health System - Alexandra Marine and General Hospital, Exeter, Huron Community Mental Health Services | South Huron |
| Huron Health System - Alexandra Marine and General Hospital, Goderich - Huron Rd, Huron Community Mental Health Services | Goderich |
| Huron Health System - Alexandra Marine and General Hospital, Huron Perth Clinical Intensive Case Management, Goderich - Huron Rd | Goderich |
| Huron Health System - Alexandra Marine and General Hospital, Mailing Address, Huron Outreach Eating Disorders Program | Goderich |
| Huron Health System - Alexandra Marine and General Hospital, Seaforth, Huron Community Mental Health Services | Huron East |
| Huron Health System - Alexandra Marine and General Hospital, Wingham, Huron Community Mental Health Services | North Huron |
| Huron Perth Healthcare Alliance, Seaforth - 28 Centennial Dr, Mental Health Services | Huron East |
| Huron Perth Healthcare Alliance, Seaforth - 28 Centennial Dr, Prevention and Early Intervention Program for Psychoses | Huron East |
| Huron-Perth Centre for Children and Youth, Clinton | Bluewater |
| Huron-Perth Centre for Children and Youth, Listowel | North Perth |
| Huron-Perth Centre for Children and Youth, Stratford | Stratford |
| Keystone Child, Youth and Family Services, Owen Sound - 3rd Ave W | Owen Sound |
| Kinark Child and Family Services, Barrie - Simcoe St, Family, Individual, and Group Counselling | Barrie |
| Kinark Child and Family Services, Midland Office, Family, Individual, and Group Counselling | Midland |
| La Clé, Children & Youth Mental Health Services, 63 Main St - Penetanguishene | Penetanguishene |
| 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 - Lakeshore Dr, Child and Youth Mental Health Quick Access Clinic | Barrie |
| New Path Youth and Family Services of Simcoe County, Barrie - Lakeshore Dr, Youth and Family Counselling Services | 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, Child and Youth Mental Health Quick Access Clinic | 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, Barrie Head Office, Youth and Family Counselling Services | 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, Collingwood Office, Child and Youth Mental Health Quick Access Clinic | Collingwood |
| New Path Youth and Family Services of Simcoe County, Collingwood Office, Youth and Family Counselling Services | Collingwood |
| New Path Youth and Family Services of Simcoe County, Midland Office, Child and Youth Mental Health Quick Access Clinic | Midland |
| New Path Youth and Family Services of Simcoe County, Orillia Office, Child and Youth Mental Health Quick Access Clinic | Orillia |
| New Path Youth and Family Services of Simcoe County, Orillia Office, Youth and Family Counselling Services | Orillia |
| Nogojiwanong Friendship Centre, Peterborough - 159 King St, Mental Health and Well-Being Program | Peterborough |
| Northumberland Hills Hospital, Cobourg - Elgin St W, Community Mental Health Services - Lynx Early Psychosis Intervention Program | Cobourg |
| Ontario Shores Centre for Mental Health Sciences, Lindsay - Lindsay St S, Kawartha Lakes Community Clinic | Kawartha Lakes |
| Orillia Soldiers' Memorial Hospital, Orillia - 170 Colborne St W - Eleanor Johnson Wing, Community Mental Health Service | Orillia |
| Patient/Client and Family Council, Midland Health Hub, Family Support | Midland |
| Patient/Client and Family Council, Waypoint Centre, Family Support | Penetanguishene |
| Peterborough Regional Health Centre, Mental Health Services - Family and Youth Clinic | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - Psychosis Assessment and Treatment Clinic | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services | Peterborough |
| Ross Memorial Hospital Kawartha Lakes, Mental Health Outpatient Program & Community Counselling, Ross Memorial Hospital | Lindsay |
| Simcoe Muskoka Family Connexions, Bracebridge Office, Child and Youth Mental Health Programs | Bracebridge |
| Simcoe Muskoka Family Connexions, Huntsville Office, Child and Youth Mental Health Programs | Huntsville |
| Southwest Ontario Aboriginal Health Access Centre, Owen Sound, Southwest Ontario Aboriginal Health Access Centre, Owen Sound | Owen Sound |
| Stevenson Memorial Hospital, Mary McGill Community Mental Health Program | New Tecumseth |
| Wendat Community Programs, Midland, Adult Mental Health Services - Case Management Program | Midland |
| Wendat Community Programs, Midland, Adult Mental Health Services - Crisis Services | Midland |
| Wendat Community Programs, Midland, Adult Mental Health Services - Social Club | Midland |
| Wendat Community Programs, Penetanguishene, Psychogeriatric - Transition Service | Penetanguishene |