| Associated Youth Services of Peel | Mississauga |
| Canadian Centre for Victims of Torture, Counselling and Support Services, Mississauga Office | Mississauga |
| Canadian Mental Health Association, Halton Region Branch Head Office - Oakville, Mental Health Services | Oakville |
| Canadian Mental Health Association, Milton and Halton Hills, Mental Health Services | Milton |
| Central West Specialized Developmental Services, Developmental Services | Oakville |
| Centre for Addiction and Mental Health, CAMH Support and Information Services | Toronto |
| Child and Parent Resource Institute (CPRI) | London |
| Ganohkwasra Family Assault Support Services, Ohsweken - Sunrise Crt, Youth Lodge | Ohsweken |
| Halton Healthcare, Acton, North Halton Mental Health Clinic | Acton |
| Halton Healthcare, Georgetown, North Halton Mental Health Clinic | Georgetown |
| Halton Healthcare, Milton, North Halton Mental Health Clinic | Milton |
| Halton Healthcare, Mississauga Halton Central Intake Program - one-Link - Addictions and Mental Health Services Referral | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Child and Adolescent Services | Oakville |
| Homewood Health Centre | Guelph |
| Kinark Child and Family Services, Syl Apps Youth Centre | Oakville |
| ROCK, Burlington - Head Office, Community Mental Health Services | Burlington |
| Summit Housing & Outreach Programs, Oakville, Mental Health Supportive Housing and Outreach Programs | Oakville |
| Support House | Oakville |
| Thrive Counselling, Burlington Head Office | Burlington |
| Thrive Counselling, Milton Office | Milton |
| Thrive Counselling, North Halton Office | Georgetown |
| Thrive Counselling, Oakville Office | Oakville |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
