| 988 Suicide Crisis Helpline | Ontario |
| ADAPT Halton, Oakville - Head Office, Alcohol, Drug and Gambling Assessment, Prevention and Treatment Services | Oakville |
| Adoption Council of Ontario, Markham - Mailing Address | Markham |
| Alzheimer Society Peel | Port Credit |
| Alzheimer Society Peel, Mississauga - Main Office, Behavioural Supports Ontario (BSO) | Port Credit |
| Alzheimer Society Peel, Dementia Resources Consulting and Support Groups | Port Credit |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Behavioural Supports Ontario, Burlington, Community Outreach Team | Burlington |
| Brain Tumour Foundation of Canada | London |
| Canadian Hard of Hearing Association, Ottawa, Canadian Hard of Hearing Association, Ottawa | Ottawa |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Centre for Addiction and Mental Health, CAMH Support Resources and Information Services | Toronto |
| Conservation Halton, Campbellville - Mountsberg Conservation Area, Conservation Land & Recreational Trails | Milton |
| Conservation Halton, Milton - Crawford Lake Conservation Area, Conservation Land & Recreational Trails | Milton |
| Credit Valley Conservation Authority, Limehouse Conservation Area, Conservation Land & Recreational Trails | Halton Hills |
| Deaf Muslims of Canada, Interpretation / Translation | Burlington |
| DEBRA Canada | Oakville |
| ElderDog Canada, Halton Pawd - No Physical Address | Halton Region |
| Epilepsy South Central Ontario, Mississauga | Mississauga |
| For You Telecare Family Service, Counselling, Support and Outreach Programs | Toronto |
| Good Shepherd Centres, Martha House Location, Good Shepherd Centres, Women's Services | Hamilton |
| Good Shepherd Centres, Mary's Place Location, Good Shepherd Centres, Women's Services | Hamilton |
| Halton Community Legal Services | Oakville |
| Halton Elder Abuse Prevention Network | Halton Region |
| Halton Information Providers | Oakville |
| Hamilton/Burlington SPCA, Companion Animal Hospital, Hamilton/Burlington SPCA | Hamilton |
| Hemophilia Ontario | Scarborough North |
| Information Halton Hills | Georgetown |
| Information Oakville | Oakville |
| Links2Care, Georgetown Community Hub, Care at Home for Seniors and Adults with Disabilities | Halton Hills |
| Melanoma Canada | Oakville |
| Mental Health Mutual-Aid Hub Canada, Mandarin Hotline and Mental Health Support | Toronto |
| MS Canada | Toronto Downtown Central |
| Neurofibromatosis Ontario | |
| Older Women's Network | Toronto |
| OmbudService for Life and Health Insurance | Toronto |
| Ontario Association of the Deaf | North York |
| Ontario Society of Senior Citizens' Organizations | Toronto |
| Ontario. Ministry for Seniors and Accessibility | Toronto |
| SAFE (Survivor Advocates for Empowerment), Victim & Survivor Support Services & Advocacy | Halton Region |
| Scleroderma Society of Ontario, Support Groups | Hamilton |
| Sexual Assault & Violence Intervention Services of Halton (SAVIS) | Oakville |
| Silver Services - Home Society (The) | Mississauga |
| Trans Lifeline | |
| Vietnamese Association, Toronto | Toronto |
| VirtualRecConnect.ca, Virtual Adult Day Programs in Mississauga Halton Region | Oakville |
