| ADAPT Halton, Concurrent Disorders Programs | Halton Region |
| Alzheimer Society Peel, Behavioural Supports Ontario (BSO) | Port Credit |
| Bartimaeus | Burlington |
| Behavioural Supports Ontario, Burlington, Community Outreach Team | Burlington |
| Canadian Mental Health Association, Halton Region Branch Head Office - Oakville, Mental Health Services | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Care for Life Support Services, Psychogeriatric Supports for Older Adults | Burlington |
| Centre for Addiction and Mental Health, CAMH Support and Information Services | Toronto |
| Halton Healthcare, Acton, North Halton Mental Health Clinic | Acton |
| Halton Healthcare, Georgetown, North Halton Mental Health Clinic | Georgetown |
| Halton Healthcare, Milton, North Halton Mental Health Clinic | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Older Adult Mental Health Clinic | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Outpatient Services | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Psychiatric Consultation | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health Day Program | Oakville |
| Homewood Health Centre | Guelph |
| Insight Health Solutions - Trillium Health Partners | Oakville |
| Joseph Brant Hospital, Burlington - Joseph Brant Community Health Centre, Community Mental Health Services (Outpatient) | Burlington |
| PACT for Halton | Burlington |
| PCHS, PCHS Mississauga | Mississauga |
| St Joseph's Healthcare Hamilton, Burlington, Halton Seniors Mental Health Outreach Program | Burlington |
| Summit Housing & Outreach Programs, Oakville, Mental Health Supportive Housing and Outreach Programs | Oakville |
| Summit Housing & Outreach Programs, Summit Assertive Community Treatment Team | Halton Region |
| Sunnybrook Health Sciences Centre | Toronto |
| Support House | Oakville |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
| Trillium Health Partners, Queensway Health Centre, Centre for Seniors' Medical Psychiatry - Outpatient Program | Etobicoke Central |
