| Northumberland County, Cobourg - Courthouse Rd, Community and Social Services - Early Years Services | Cobourg |
| Ontario. Ministry of Children, Community and Social Services, Newmarket Office, Special Services at Home and Assistance for Children with Severe Disabilities | Newmarket |
| Ontario. Ministry of Children, Community and Social Services, Ontario Autism Program | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Oshawa - Mail Address Only, Assistance for Children with Severe Disabilities and Special Services at Home Program | Oshawa |
| Service Canada - Central East, Cobourg, Service Canada Centre | Cobourg |
| Service Canada - Central East, Collingwood, Service Canada Centre | Collingwood |
| Service Canada - Central East, Lindsay, Service Canada Centre | Kawartha Lakes |
| Service Canada - Central East, Owen Sound, Service Canada Centre | Owen Sound |
| Service Canada - Central East, Parry Sound, Service Canada Centre | Parry Sound |
| Service Canada - Central East, Peterborough, Service Canada Centre | Peterborough |
| Service Canada - Central East, Walkerton, Service Canada Centre | Brockton |