| Habitat for Humanity Peterborough & Kawartha Region, Peterborough - 300 Milroy Drive | Peterborough |
| HammondBus.com | Bracebridge |
| Happy Tails Pet Resort and Camp, Long Term Pet Care | Huntsville |
| Hastings Roseneath Food Bank | Trent Hills |
| Havelock-Belmont-Methuen Food Bank | Havelock-Belmont-Methuen |
| Havelock-Belmont-Methuen Public Library, Cordova Mines Library, Public Library | |
| Havelock-Belmont-Methuen Public Library, Havelock Library, Public Library | Havelock-Belmont-Methuen |
| Havelock-Belmont-Methuen Public Library, Lake Kasshabog Library, Public Library | Havelock-Belmont-Methuen |
| Havelock-Belmont-Methuen. Municipal Office, Station One, Fire Department | Havelock-Belmont-Methuen |
| Hazelbrae Barnardo Home Memorial Group | Peterborough |
| Health Care Connect, No Physical Location | Toronto |
| Hear CANADA, Peterborough, Helix Hearing Care | Peterborough |
| Heart and Stroke | Toronto |
| Heart to Home Meals, Mailing Adddress Only | Clarington |
| Hiawatha First Nation, Hiawatha - Hiawatha Line, Administration Office | Hiawatha First Nation |
| Hilliard Park Non-Profit Homes | Peterborough |
| Home and Community Care Support Services Central East, Whitby, Placement Services | Whitby |
| Home and Community Care Support Services Central East, Peterborough - Parkway Mall, Nursing Clinic - Peterborough | Peterborough |
| Home and Community Care Support Services Central East, Peterborough Branch, Home and Community Care | Peterborough |
| Home Care Workers Co-operative, No Physical Address | Peterborough |
| Home Instead Senior Care | Peterborough |
| Home Suite Home Transitions | Cavan Monaghan |
| Homestead Oxygen and Medical Equipment | Lindsay |
| Hospice Peterborough | Peterborough |
| Huntington Society of Canada, Peterborough Chapter, Huntington Disease Resource Centre, East Central Ontario Region | Peterborough |
