| Barrie and Community Family Health Team, Barrie Primary Care Campus, Mental Health Program | Barrie |
| Brightshores Health System, Mental Health Services Department - Dual Diagnosis Program, Owen Sound Hospital | Owen Sound |
| Brightshores Health System, Mental Health Services Department - Prevention and Early Intervention Program for Psychosis, Owen Sound Hospital | Owen Sound |
| Brightshores Health System, Owen Sound Hospital, Mental Health Services Department - Mental Health and Addictions Navigation Line | Owen Sound |
| Canada. Veterans Affairs Canada - Toronto, Mississauga Service Centre | Mississauga |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Hanover - 425 10th St, Concurrent Disorders | Hanover |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Hanover - 425 10th St, New Directions for Alcohol and Drug Problems | Hanover |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 207, Concurrent Disorders | Owen Sound |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1101 2nd Ave E, Suite 207, New Directions for Alcohol and Drug Problems | Owen Sound |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Lindsay - 33 Lindsay St S, Supportive Housing Program | Kawartha Lakes |
| Canadian Mental Health Association Haliburton, Kawartha, Pine Ridge, Peterborough - George St N, Dual Diagnosis Program | Peterborough |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 128 Anne St S, Case Management | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Barrie - 134 Anne St S, Housing Support | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Human Services Justice System Program | Barrie |
| Canadian Mental Health Association. Simcoe County Branch, Various Locations, Community Homes for Opportunity | Collingwood |
| Catulpa Community Support Services, Barrie Office, Crisis Response Coordination Program | Barrie |
| Centre for Behaviour Health Sciences, Barrie Office, Behaviour Clinic of York and Simcoe | Barrie |
| CFS Counselling + Wellbeing, Barrie - Anne St S, YouthCALL | Barrie |
| CMHA Thames Valley Addiction and Mental Health Services - Huron County Sites, Exeter, Community Mental Health Services - Exeter | South Huron |
| CMHA Thames Valley Addiction and Mental Health Services - Huron County Sites, Goderich, Community Mental Health Services - Goderich | Goderich |
| Community Health Centres of Northumberland | Port Hope (Municipality of) |
| Dr. Dianne Maing Psychologist, Barrie | Barrie |
| Eating Disorders Anonymous, Online/Web Service | Barrie |
| Family Transition Place, Support Within Housing Program | Orangeville |
| Gamblers Anonymous, Barrie | Barrie |
| Growth Group [The], Barrie | Barrie |
| Hanover Place | Hanover |
| Huron Health System - Alexandra Marine and General Hospital, Mailing Address, Huron Outreach Eating Disorders Program | Goderich |
| 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 Healthcare Alliance, SGH - Special Services Unit - Stratford, Eating Disorders Outreach Program | Stratford |
| Jeff Long Counselling | Barrie |
| Jenkins (Dr Gwen) Clinical Psychologist | Barrie |
| Ken Marek Lifegates Unlimited, Telephone Service | Barrie |
| Lang Residence | Gravenhurst |
| LOFT Community Services, Bradford House, Support Services | Bradford West Gwillimbury |
| National Eating Disorder Information Centre | Toronto Downtown Central |
| Northumberland Hills Hospital, Community Mental Health Services | Cobourg |
| OCD North | Barrie |
| OCD Wellness | Barrie |
| Orillia Depression Anxiety and Manic Depression Self Help Group | Severn |
| Pal Counselling & Associates, Barrie | Barrie |
| Peterborough Family Health Team, Anxiety Workshop | Peterborough |
| Peterborough Family Health Team, Mindfulness for Anxiety and Depression | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - LYNX Early Psychosis Intervention Program | Peterborough |
| Peterborough Regional Health Centre, Mental Health Services - Psychosis Assessment and Treatment Clinic | Peterborough |
| Reflection Centre, Barrie | Barrie |
| Regional Support Associates, Walkerton, Support Services for Adults with Intellectual Disabilities, Walkerton | Brockton |
| RGA and The Space Within, Huron St | Stratford |
| RGA and The Space Within, Market Square | Stratford |
| Royal Victoria Regional Health Centre, Barrie - 201 Georgian Dr, Child and Youth Treatment Clinics | Barrie |
| Simcoe Muskoka Regional Eating Disorder Program, Royal Victoria Regional Health Centre | Barrie |
| Smith Psychological, Counselling / Psychotherapy and Psychological Assessment Services | Barrie |
| Trauma and Life Stress Reduction | Barrie |
| Walker Place | South Huron |
| Waypoint Centre for Mental Health Care, Georgianwood Program for Concurrent Disorders, Penetanguishene - 500 Church St - Toanche Bldg | Penetanguishene |
| Wendat Community Programs, Midland, Adult Mental Health Services - Social Club | Midland |
| YMCA of Simcoe/Muskoka, Barrie - Bayfield St, Inner Strength Training | Barrie |