| AbleLiving Services, Burlington - Bethany Residence, Supportive Housing | Burlington |
| Acclaim Health, Home Care | Oakville |
| ADAPT Halton, Concurrent Disorders Programs | Halton Region |
| ADAPT Halton, Problem Gambling & Behavioural Addictions Services | Halton Region |
| Bartimaeus | Burlington |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canada. Indigenous Services Canada, Indian Residential Schools Resolution Health Support Program (IRSRHSP) | Gatineau |
| Canadian Coalition for Seniors' Mental Health, Markham | Markham |
| Canadian Counselling and Psychotherapy Association | Ottawa |
| Canadian Mental Health Association, Oakville - Halton Region Branch Head Office, Mental Health Services | Oakville |
| Canadian Mental Health Association, Counselling Service | Halton Region |
| Canadian Mental Health Association, Education and Training | Oakville |
| Canadian Mental Health Association, Mobile Outreach Team - COAST - Crisis Outreach and Support Team | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Canadian Mental Health Association, National, Toronto - Online/Web Service, Mental Health Resources | Toronto |
| CarePoint Health, Brampton-Halton-Mississauga-South Etobicoke, Ontario Structured Psychotherapy Program | Mississauga |
| Centre for Addiction and Mental Health, Addiction Medicine Services and Specialized Clinics | Toronto |
| Centre for Addiction and Mental Health, CAMH Support Resources and Information Services | Toronto |
| Centre for Complex Diabetes Care, Complex Diabetes Care | Oakville |
| College of Registered Psychotherapists of Ontario | Toronto Downtown |
| ConnexOntario, Helpline | London |
| Equilibrium, Oakville, Mood Disorder Support Group | Oakville |
| First Nations and Inuit Hope for Wellness Helpline, Mental Health Helpline and On-line Chat Counselling Services | Ontario |
| Halton Healthcare, Acton, North Halton Mental Health Clinic | Acton |
| Halton Healthcare, Georgetown, North Halton Mental Health Clinic | Georgetown |
| Halton Healthcare, Milton District Hospital, Outpatient Mental Health Urgent Care Clinic | Milton |
| Halton Healthcare, Milton, North Halton Mental Health Clinic | Milton |
| Halton Healthcare, Mississauga Halton Central Intake Program - one-Link - Addictions and Mental Health Services Referral | Oakville |
| 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 |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Outpatient Mental Health Urgent Care Clinic | Oakville |
| Homewood Health Centre | Guelph |
| Institute for Advancements in Mental Health, Toronto | Toronto |
| Mental Health Mutual-Aid Hub Canada, Mandarin Hotline and Mental Health Support | Toronto |
| Millhouse Resthome, Halton Hills, Group Home | Halton Hills |
| Millhouse Resthome, Acton, Group Home | Acton |
| Mood Disorders Association of Ontario, Peer Supports and Services | Toronto |
| Ontario Psychological Association, Psychologists Referral Service | Toronto |
| Ontario Society of Registered Psychotherapists | Toronto Downtown Central |
| Parkside Rest Home, Group home | Halton Hills |
| PCHS, PCHS Brampton | Brampton |
| PCHS, PCHS Mississauga | Mississauga |
| Psychiatric Patient Advocate Office, Patient Advocacy, Education and Information | Toronto |
| St Joseph's Healthcare Hamilton, Burlington, Halton Seniors Mental Health Outreach Program | Burlington |
| St Joseph's Healthcare Hamilton, Burlington Locations, Ontario Structured Psychotherapy West Region | Burlington |
| Summit Housing & Outreach Programs, Oakville, Supportive Housing & Outreach Programs | Oakville |
| Summit Housing & Outreach Programs, Case Management Supports | Halton Region |
| Sunnybrook Health Sciences Centre, Toronto - Sunnybrook Health Sciences Centre, Bayview Campus | Toronto |
| Support House, Housing Services | Oakville |
| Support House, Peer Services - Centre for Innovation in Peer Support | Oakville |
| Talk4Healing, Telephone Helpline and On-line Chat Counselling Services | Thunder Bay |
| Thrive Counselling, Burlington Head Office | Burlington |
| Thrive Counselling, Walk-in Counselling | Burlington |
| Thrive Counselling, Counselling Services | Burlington |
| Thrive Counselling, Milton Office | Milton |
| Thrive Counselling, North Halton Office | Georgetown |
| Thrive Counselling, Oakville Office | Oakville |
| Trillium Health Partners, Queensway Health Centre, Centre for Seniors' Medical Psychiatry - Outpatient Program | Etobicoke Central |
| Wellbeings Medical Centre for Innovation & Excellence | Burlington |
| Wesley, Hoarding Support Services – Halton | Halton Region |
| Wings of Change - Peer Support, Peer Support for First Responders | Canada |
| Women's Centre of Halton (The), One-on-One Support Services | Oakville |
| York House Acton Care Facility | Acton |
