| Jack Nathan Health, Alliston Walk-in Clinic, Alliston Walk-in Clinic at Walmart | New Tecumseth |
| Jack's Scrap Metal and Junk Removal, Collingwood - No Physical Address | Collingwood |
| Jackson's Guardian Pharmacy | St Marys |
| Jampa Ling Kadampa Buddhist Centre, Barrie | Barrie |
| Janetville Food Bank | Kawartha Lakes |
| Janis's Senior Services, Mobile Service | Collingwood |
| Japanese Sword Society of Canada | Barrie |
| Jardin des Découvertes | Owen Sound |
| Jardin des Découvertes, School Age Programs | Owen Sound |
| Javelin Co-operative Homes Incorporated | Midland |
| Jeff Long Counselling | Barrie |
| Jenkins (Dr Gwen) Clinical Psychologist | Barrie |
| Jennifer Ashleigh Children's Charity | Uxbridge |
| Jenny's Nursing Foot care | Clearview (Simcoe County) |
| Jen's Place Therapeutic Group Care | New Tecumseth |
| Jess Kuypers Birth and Breastfeeding - Doula, No fixed Address, Doula and Breastfeeding Services | Springwater |
| Jessica's House Hospice, Jessica's House | South Huron |
| Jewish Community Centre of Peterborough & Beth Israel Synagogue | Peterborough |
| John Howard Society London & District, Stratford Jail, Institutional Visiting and Reintegration Support Program | Stratford |
| John Howard Society London & District, United Centre Stratford, Bail Verification and Supervision Program | Stratford |
| John Howard Society of Kawartha Lakes & Haliburton, Attendance Centre, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Community Service Order Program, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Extrajudicial Measures/Extrajudicial Sanctions (EJM/EJS), Kent St | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Institutional Services Program, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Literacy and Basic Skills, Lindsay, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Minden, Literacy and Basic Skills, Minden | Minden Hills |
| John Howard Society of Kawartha Lakes & Haliburton, Partner Assault Response, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Self Management Program for Adults, Lindsay | Kawartha Lakes |
| John Howard Society of Kawartha Lakes & Haliburton, Towards a Healthy Future Cooking Program, Lindsay | Kawartha Lakes |
| John Howard Society of London & District, Huron County, Partner Assault Response Program | Goderich |
| John Howard Society of Peel, Halton and Dufferin, Orangeville Provincial Court, Bail Verification and Supervision Program, Orangeville Provincial Court | Orangeville |
| John Howard Society of Peterborough, Anger Management Program | Peterborough |
| John Howard Society of Peterborough | Peterborough |
| John Howard Society of Peterborough, Partner Assault Response | Peterborough |
| John Howard Society of Peterborough, Record Suspension Program | Peterborough |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228, Community Reintegration Services | Barrie |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228, Community Service Order Program - Adult | Barrie |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228, Digital Access to Justice Court Support Program | Barrie |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228, Institutional Services | Barrie |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228 | Barrie |
| John Howard Society of Simcoe & Muskoka, Barrie - 80 Bradford St, Suite 228, Record Suspension Assistance | Barrie |
| John Howard Society of Simcoe & Muskoka, Orillia - 17 Colborne St E, Community Service Order Program - Adult | Orillia |
| John Howard Society of Simcoe & Muskoka, Orillia - 17 Colborne St E | Orillia |
| John Howard Society of Simcoe & Muskoka, Orillia - 17 Colborne St E, Non-Residential Attendance Centre - North Simcoe | Orillia |
| John R Field Counselling and Consulting, Farm Family Distress Management | St Marys |
| Johnson Adult Foster Care | Vaughan |
| Johnson Children's Services | Vaughan |
| Joly Township. Municipal Office | Sundridge |
| Jubilee Chorale | Orillia |
| Junior Achievement of Central Ontario | Toronto |
| Just Movement Fitness | Minden Hills |
| Justice for Children and Youth | Toronto |
| Juvenile Diabetes Research Foundation Canada, Toronto | Toronto |