| Trillium Health Partners, Adult Mental Health | Mississauga |
| Trillium Health Partners, Ambulatory Mental Health Services, Credit Valley Hospital | Mississauga |
| Trillium Health Partners, Child and Adolescent Mental Health Services, Mississauga | Mississauga |
| Trillium Health Partners, Children's Services | Mississauga |
| Trillium Health Partners, Clinical Genetics | Mississauga |
| Trillium Health Partners, Credit Valley Hospital | Mississauga |
| Trillium Health Partners, Credit Valley Hospital, Addictions and Concurrent Disorders Centre | Mississauga |
| Trillium Health Partners, Credit Valley Hospital, Mental Health Services-Adult Services, Eating Disorders Program | Mississauga |
| Trillium Health Partners, Crisis Intervention Team, Mississauga Hospital Site and Credit Valley Hospital Site | Mississauga |
| Trillium Health Partners, Emergency Program Services, Crisis Intervention Team | Mississauga |
| Trillium Health Partners, Kid'z Klinic | Mississauga |
| Trillium Health Partners, Mental Health Services | Mississauga |
| Trillium Health Partners, Mental Health Services, Child & Adolescent Mental Health Services | Mississauga |
| Trillium Health Partners, Mental Health Services, Community Treatment Orders, Mississauga Site | Mississauga |
| Trillium Health Partners, Mental Health Services, Inpatient Mental Health, Mississauga | Mississauga |
| Trillium Health Partners, Mental Health Services, Seniors Mental Health Services, Outreach Community Team and Clinic | Mississauga |
| Trillium Health Partners, Mental Health Services, Supportive Housing Etobicoke / York | |
| Trillium Health Partners, Mental Health Services, West Toronto | Etobicoke South |
| Trillium Health Partners, Mississauga Hospital | Mississauga |
| Trillium Health Partners, Neurosciences and Musculoskeletal Services, Outpatient Neuro Rehab Services | Mississauga |
| Trillium Health Partners, Peel Behavioural Services | Mississauga |
| Trillium Health Partners, Queensway Health Centre | Etobicoke South |
| Trillium Health Partners, Seniors' Health Services, Falls Prevention and Bone Health Program, Credit Valley | Mississauga |
| Trillium Health Partners, Seniors' Health Services, Falls Prevention and Bone Health Program, Queensway | Mississauga |
| Trillium Health Partners, Women's Health Services | Mississauga |
| Trillium Health Partners, Women's Health Services, Peel Committee on Sexual Assault | Mississauga |
| Trillium Health Partners, Women's Health Services, Sexual Assault Care and Domestic Violence Services | Mississauga |