| Canada. Correctional Service Canada, Barrie Office, Parole Services | Barrie |
| Canada. Correctional Service Canada, Peterborough Parole Office, Parole Services, Peterborough Parole Office | Peterborough |
| Canadian Mental Health Association Grey Bruce, Mental Health and Addiction Services, Owen Sound - 1024 2nd Ave E, Mental Health and Addiction Peer Support (MAPS) Probation and Parole | Owen Sound |
| Ontario, Ministry of the Solicitor General, Barrie, Probation and Parole Services, Barrie | Barrie |
| Ontario. Ministry of the Solicitor General, Alliston Office, Probation and Parole Services, Alliston Office | New Tecumseth |
| Ontario. Ministry of the Solicitor General, Bracebridge, Probation and Parole Services | Bracebridge |
| Ontario. Ministry of the Solicitor General, Campbellford, Probation and Parole Services, Campbellford | Trent Hills |
| Ontario. Ministry of the Solicitor General, Cobourg, Probation and Parole Services, Cobourg | Cobourg |
| Ontario. Ministry of the Solicitor General, Collingwood, Probation and Parole Services | Collingwood |
| Ontario. Ministry of the Solicitor General, Goderich, Probation and Parole Services | Goderich |
| Ontario. Ministry of the Solicitor General, Gravenhurst, Probation and Parole Services | Gravenhurst |
| Ontario. Ministry of the Solicitor General, Huntsville, Probation and Parole Services | Huntsville |
| Ontario. Ministry of the Solicitor General, Midland, Probation and Parole Services, Midland | Midland |
| Ontario. Ministry of the Solicitor General, Minden, Probation and Parole Services, Minden | Minden Hills |
| Ontario. Ministry of the Solicitor General, Orillia, Probation and Parole Office, Orillia | Orillia |
| Ontario. Ministry of the Solicitor General, Owen Sound, Probation and Parole Services | Owen Sound |
| Ontario. Ministry of the Solicitor General, Parry Sound, Probation and Parole Services | Parry Sound |
| Ontario. Ministry of the Solicitor General, Peterborough, Probation and Parole Services, Peterborough | Peterborough |
| Ontario. Ministry of the Solicitor General, Stratford, Probation and Parole Services | Stratford |
| Ontario. Ministry of the Solicitor General, Walkerton, Probation and Parole Services | Brockton |