| Organization / Program Name(s) | Located In |
|---|---|
| Jackson's Guardian Pharmacy | St Marys |
| John Howard Society London and District, Stratford Jail, Institutional Visiting and Reintegration Support Program | Stratford |
| John Howard Society London and District, United Centre Stratford, Bail Verification and Supervision Program | Stratford |
| John R Field Counselling and Consulting, Farm Family Distress Management | St Marys |
| Jubilee Stratford | Stratford |
| Justice for Children and Youth | Toronto |