| Adoption Council of Ontario, Markham - Mailing Address | Markham |
| Alzheimer Society Peel | Port Credit |
| Autism Ontario, Halton Chapter - Mailing Address | Burlington |
| Brain Tumour Foundation of Canada | London |
| Canadian Hard of Hearing Association, Ottawa | Ottawa |
| Canadian Mental Health Association, Milton Office, Mental Health Services | Milton |
| 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 |
| Halton Elder Abuse Prevention Network | Halton Region |
| Hamilton/Burlington SPCA, Companion Animal Hospital, Hamilton/Burlington SPCA | Hamilton |
| Hemophilia Ontario | Scarborough |
| Melanoma Canada | Oakville |
| MS Canada | Toronto Downtown |
| Neurofibromatosis Ontario | Ontario |
| Older Women's Network | Toronto |
| Ontario Society of Senior Citizens' Organizations | Toronto |
| SAFE (Survivor Advocates for Empowerment), Victim & Survivor Support Services & Advocacy | Halton Region |
| Scleroderma Society of Ontario, Scleroderma Society of Ontario Support Groups | Hamilton |
| Sexual Assault & Violence Intervention Services of Halton (SAVIS) | Oakville |
| Trans Lifeline | |
