| African Community Services of Peel, Brampton, Family Program | Brampton |
| Alzheimer Society of Brant, Haldimand Norfolk, Hamilton Halton, Halton Office | Burlington |
| Alzheimer Society Peel, First Link | Mississauga |
| Asthma Canada | Toronto Downtown North |
| Canada. Health Canada, Ontario Region, First Nations and Inuit Health Branch | Ottawa |
| Canadian Cancer Society - Ontario Division, Breast Cancer Support and Information Team | Toronto Downtown North |
| Canadian Cancer Society - Ontario Division, Cancer Information Service | Toronto Downtown North |
| Canadian Hearing Services - Toronto and York Region, Canadian Hearing Services, Mississauga Regional Office | Mississauga |
| Canadian Mental Health Association, Oakville - Halton Region Branch Head Office, Mental Health Services | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Central Registry | Oakville |
| 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 |
| Connected Care Halton Ontario Health Team (CCHOHT), Oakville, Navigation Line | Oakville |
| ConnexOntario, Helpline | London |
| Dietitians of Canada - UnlockFood.ca | Toronto Downtown Central |
| Halton Healthcare, Mississauga Halton Central Intake Program | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Health Information Centre | Oakville |
| Halton Information Providers | Oakville |
| Halton. Regional Municipality of Halton, Access Halton - Government Information Centre | Oakville |
| Halton. Regional Municipality of Halton, Access Halton - Regional Services Information | Oakville |
| Information Burlington | Burlington |
| Information Halton Hills | Georgetown |
| Information Milton | Milton |
| Information Oakville | Oakville |
| Kidney Foundation of Canada, Ontario Branch | Mississauga |
| Links2Care, Oakville - Head Office, Care at Home for Seniors and Adults with Disabilities | Oakville |
| Links2Care, Acton Community Hub, Care at Home for Seniors and Adults with Disabilities | Acton |
| Links2Care, Georgetown Community Hub, Care at Home for Seniors and Adults with Disabilities | Halton Hills |
| Links2Care, Community Navigation | Oakville |
| Liver Canada | Markham |
| Lung Health Foundation | North York East |
| Mississauga Halton Central West Regional Cancer Program, Oakville Trafalgar Memorial Hospital, Cancer Care Clinic | Oakville |
| Mood Disorders Association of Ontario, Peer Supports and Services (Toronto) | Toronto |
| Ontario Health atHome, Etobicoke Office | Etobicoke Central |
| Ontario Health atHome, Burlington Office | Burlington |
| Ontario Health atHome, Milton Office | Milton |
| Ontario Health atHome, Mississauga Office | Mississauga |
| Ontario Society of Senior Citizens' Organizations | Toronto |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| Ontario. Ministry of Health, Health Care Connect | Toronto Downtown Central |
| Osteoporosis Canada | North York East |
| Ovarian Cancer Canada | North York Central |
| Parkinson Canada | North York |
| PKD Foundation of Canada | Etobicoke Central |
| Salvation Army (The), Georgetown, Community and Family Services | Georgetown |
| Salvation Army (The), Acton, Community and Family Services | Acton |
| Salvation Army (The), Burlington - Mainway, Community and Family Services | Burlington |
| Salvation Army (The), Oakville, Community and Family Services | Oakville |
| Salvation Army Ontario Division, Crisis / Hope Line | Hamilton |
| Salvation Army, Khi Community (The), Milton, Community and Family Services | Milton |
| VETS Canada, Mailing Address | Dartmouth |
| Vision Loss Rehabilitation Ontario, Halton-Peel Region, Mississauga Office | Brampton |
| Women's Centre of Halton (The), Women's Support Services | Oakville |
| Women's Centre of Halton (The), Legal Clinic and Advocacy | Oakville |
