| Canada. Border Services Agency, Canada - Telephone Service, Border Information Service | |
| Canada. Canada Revenue Agency, Ottawa - 333 Laurier Ave, Registered Disability Savings Plan (RDSP) | Ottawa |
| Canada. Elections Canada | Gatineau |
| Canada. Immigration, Refugees and Citizenship Canada, Greater Toronto Area, Citizenship and Immigration Centre, Mississauga Office | Mississauga |
| Canada. Indigenous Services Canada, Gatineau - Wellington St, Indian Residential Schools Settlement Agreement | Gatineau |
| FedDev Ontario Small Business Services | Toronto |
| Halton. Regional Municipality of Halton, Access Halton - Government Information Centre | Oakville |
| Immigration and Refugee Board of Canada. Central Region | Toronto |
| Service Canada, Oakville | Oakville |
| Service Canada, Burlington | Burlington |
| Service Canada, Georgetown | Georgetown |
| Service Canada, Guelph, Service Canada Centre | Guelph |
| Service Canada, Milton | Milton |
| Service Canada, Mississauga Centre, Service Canada, Mississauga Service Canada Centre | Mississauga |
| Service Canada, Ottawa - No Physical Address, 1 800 O-Canada | Ottawa |
| Service Canada, Ottawa - No Physical Address, Old Age Security Programs, Ottawa - No Physical Address | Ottawa |
| Service Canada | Toronto |
| Service Canada Hamilton Locations, Waterdown - Service Canada, Flamborough Location, Service Canada, Flamborough Location | Waterdown |
