| Afghan Association of Ontario, Canada | Toronto |
| African Caribbean Council of Halton | Milton |
| Akwaba Cultural Exchange, Cultural Heritage Group | Milton |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| B'nai Brith Canada | Toronto |
| Canadian Alliance of British Pensioners | Toronto |
| Canadian Association of the Deaf | Ottawa |
| Canadian Breast Cancer Network | Ottawa |
| Canadian Caribbean Association of Halton, Cultural Heritage Group | Oakville |
| Canadian Centre for Housing Rights, Eviction Prevention and Tenant Services | Toronto |
| Canadian Coalition for Seniors' Mental Health, Markham | Markham |
| Canadian Hard of Hearing Association, Canadian Hard of Hearing Association Advocacy and Support Groups | |
| Canadian Hard of Hearing Association, Ottawa, Canadian Hard of Hearing Association, Ottawa | Ottawa |
| Canadian Indian Association of Halton Region, Cultural Heritage Group | Oakville |
| Canadian Japanese Cultural Centre of Hamilton, Canadian Japanese Cultural Centre of Hamilton Programs | Hamilton |
| 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 |
| Canadian Snowbird Association | Toronto |
| CARP, Halton Chapter | Halton Region |
| Chinmaya Mission Halton Region | Milton |
| Croatian Social and Cultural Centre | Halton Hills |
| Dying With Dignity Canada | Toronto |
| Elder Abuse Prevention Ontario | Etobicoke Central |
| Front Line Outreach | Oakville |
| Grandmother's Voice | Halton Region |
| Greek Community of Burlington and District | Burlington |
| Guru Ravidas Gurdwara Sahib Burlington | Burlington |
| Halton Age-Friendly Network | Halton Region |
| Halton Black History Awareness Society | Burlington |
| Halton Black Voices | Halton Region |
| Halton Community and Cultural Association (The) | Burlington |
| Halton Gujarati Seniors Samaj | Milton |
| Halton Islamic Association | Burlington |
| Hindu Swayamsevak Sangh, Halton Region | Halton Region |
| Hum-WE Women's Hub, Support Services for Women | Milton |
| ICNA Sisters Milton | Milton |
| Indigenous Diabetes Health Circle, Indigenous Diabetes Health Circle, Niagara Region | Thorold |
| Islamic Community Centre of Milton | Milton |
| Islamic Community of Oakville | Oakville |
| Italian Canadian Club of Burlington | Burlington |
| Italian Cultural Centre of Milton | Milton |
| Madina Institute Canada, Oakville, Madina Programs | Oakville |
| Melanoma Canada | Oakville |
| Métis Women's Circle, Métis Women's Circle Programs and Events | Hamilton |
| Milton Chinese Canadian Association | Milton |
| Mood Disorders Association of Ontario, Peer Supports and Services | Toronto |
| Muslim Advisory Council of Canada, Oakville | Oakville |
| Muslim Association of Milton, Oakville - Halton Islamic Community Centre, Cultural Heritage Group | Oakville |
| National Pensioners Federation | Mississauga |
| Native Women's Association of Canada | Gatineau |
| Neurofibromatosis Ontario | |
| Nigerian Community Halton | Oakville |
| Oakville Chinese Network Society, Cultural Heritage Group | Oakville |
| Oakville. Parks and Open Space, Parks & Gardens | Oakville |
| Oakville. Recreation and Culture, Sir John Colborne Recreation Centre for Seniors, Seniors Working Action Group | Oakville |
| Older Women's Network | Toronto |
| Ontario Society of Senior Citizens' Organizations | Toronto |
| Polish National Union of Canada | Burlington |
| Redleaf Cultural Integration, Burlington Chinese Community Connection | Burlington |
| Retired Teachers of Ontario, Halton District 15 - No Physical Address | Halton Region |
| Sexual Assault & Violence Intervention Services of Halton (SAVIS) | Oakville |
| Suffah Academy, Milton, Masjid Khadijah | Milton |
| Syyidah Aysha Centre | Milton |
| United Senior Citizens of Ontario, Toronto | Toronto |
| Vaishno Devi Mandir, Hindu Temple | Oakville |
