| Bereaved Families of Ontario (Provincial Head Office), Mississauga Headquarters, Resources and Support | Mississauga |
| Boost Child & Youth Advocacy Centre, Toronto Office | Toronto |
| Burlington Ontario Health Team | Burlington |
| Burlington. Legislative Services, Advisory Committees | Burlington |
| CAAN, Mailing Address | |
| Canadian Coalition for Seniors' Mental Health, Markham | Markham |
| Canadian Families and Corrections Network, Kingston - Mailing Address | Kingston |
| Children and Youth Grief Network | Peel Region |
| Children's Mental Health Ontario | Toronto |
| Community Development Halton | Acton |
| Connected Care Halton Ontario Health Team (CCHOHT) | Oakville |
| Family Service Ontario, Services and resources | Ontario |
| First Work | Toronto |
| Gay Men's Sexual Health Alliance | Toronto Downtown East |
| Halton Age-Friendly Network | Halton Region |
| Halton District School Board, Special Education Advisory Committee | Halton Region |
| Halton Environmental Network | Oakville |
| Halton Equity & Diversity Roundtable | Halton Region |
| Halton Hills. Town Council, Halton Hills Town Hall, Advisory Committees | Halton Hills |
| Halton Newcomer Strategy, Local Immigration Partnership | Oakville |
| Halton Regional Police Service, Youth Programs | Oakville |
| Halton Violence Prevention Council | Burlington |
| Halton. Public Works, Halton Solid Waste Management Advisory Committee | Oakville |
| Halton. Regional Municipality of Halton, Heritage Services | Milton |
| Halton. Social and Community Services, Older Adult Advisory Committee | Oakville |
| Inspire Halton | Halton Hills |
| Milton. Community Services, Milton Youth Task Force | Milton |
| Niagara Escarpment Commission | Georgetown |
| Oakville. Building, Planning and Development, Heritage Oakville Advisory Committee | Oakville |
| Oakville. Recreation and Culture, Sir John Colborne Recreation Centre for Seniors, Seniors Working Action Group | Oakville |
| OCASI - Ontario Council of Agencies Serving Immigrants, OCASI | Toronto |
| Ontario AIDS Network, Toronto | Toronto |
| Ontario Association of Interval and Transition Houses, OAITH Coalition Services | Toronto |
| Ontario Federation of Indigenous Friendship Centres | Toronto |
| Ontario Health - Trillium Gift of Life Network | Toronto Downtown Central |
| Ontario Network of Sexual Assault / Domestic Violence Treatment Centres, Toronto | Toronto |
| Ontario Nonprofit Network | Toronto |
| Our Kids Network | Halton Region |
| Our Kids Network, Halton Youth Initiative | Halton Region |
| Peel Halton Workforce Development Group | Mississauga |
| Peel-Halton-Dufferin Adult Learning Network, Literacy and Basic Skills Support Program | Mississauga |
| Sexual Assault & Violence Intervention Services of Halton (SAVIS) | Oakville |
| Sexual Assault & Violence Intervention Services of Halton (SAVIS), Halton Collaborative Against Human Trafficking | Halton Region |
| United Senior Citizens of Ontario | Toronto |
| United Way Halton & Hamilton, Halton Office | Burlington |
| West GTA Stroke Network | Etobicoke Central |
