| Acclaim Health, Home Care | Oakville |
| ADAPT Halton, Concurrent Disorders Programs | Halton Region |
| ADAPT Halton, Problem Gambling & Behavioural Addictions Services | Halton Region |
| Bartimaeus | Burlington |
| Bethany Residence | Burlington |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canada. Indigenous Services Canada, Indian Residential Schools Settlement Agreement - Health Supports Call Centres | Gatineau |
| Canadian Coalition for Seniors' Mental Health | Markham |
| Canadian Counselling and Psychotherapy Association | Ottawa |
| Canadian Mental Health Association, Halton Region Branch Head Office - Oakville, Mental Health Services | Oakville |
| Canadian Mental Health Association, Education and Training | Oakville |
| Canadian Mental Health Association, Mobile Outreach Team - COAST | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Canadian Mental Health Association, Free Call-In Counselling | Halton Region |
| CarePoint Health, Brampton-Halton-Mississauga, Ontario Structured Psychotherapy Program | Mississauga |
| Centre for Addiction and Mental Health, CAMH Support and Information Services | Toronto |
| Chinese Canadian Community COVID-19 Project, Protech Online and Phone Support | Toronto |
| 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, 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 |
| Homewood Health Centre | Guelph |
| Institute for Advancements in Mental Health, Toronto Provincial Office | Toronto |
| Links2Care, Connection in Action - Social Supports for Older Adults | Oakville |
| Mental Health Commission of Canada | Ottawa |
| 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 |
| Mississauga Halton Centre for Complex Diabetes Care, Complex Diabetes Care | Oakville |
| Mood Disorders Association of Ontario, Peer Supports and Services (Toronto) | Toronto |
| Ontario Psychological Association, Psychologists Referral Service | Toronto |
| Ontario Society of Registered Psychotherapists | Toronto Downtown Central |
| PACT for Halton | Burlington |
| Parkside Rest Home, Group home | Halton Hills |
| PCHS, PCHS Brampton Branch Office, PCHS Brampton | Brampton |
| PCHS, PCHS Mississauga | Mississauga |
| Psychiatric Patient Advocate Office, Toronto Office | Toronto |
| St Joseph's Healthcare Hamilton, Burlington, Halton Seniors Mental Health Outreach Program | Burlington |
| St Joseph's Healthcare Hamilton, West Region, Ontario Structured Psychotherapy | 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 |
| Support House, 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 Pain Management and Dependency Clinic | Burlington |
| 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 |
