| Habitat for Humanity Huronia, Alliston, ReStore, Alliston | New Tecumseth |
| Habitat for Humanity Huronia, Barrie, Habitat pour l'humanité Huronia | Barrie |
| Habitat for Humanity Huronia, Barrie, ReStore, Barrie | Barrie |
| Hair Prosthesis Centre, Centre de prothèses capillaires | Barrie |
| Handy Man Service, Mobile Service, Service de bricoleur | Creemore |
| Happy at Home Support Services, Orillia, Service de soutien à domicile Happy at Home | Orillia |
| Happy at Home Support Services, Services infirmiers spécialisés en soins des pieds | Orillia |
| Happy at Home Support Services, Transport, Orillia, Orillia | Orillia |
| Harrison-Cragg (Sarah), Travailleuse sociale | Collingwood |
| Harvest Bible Chapel, Barrie | Barrie |
| Haven of The Heart | Adjala-Tosorontio |
| Hawkestone Singers | Hawkestone |
| Head Lice Hunters, Service mobile | Innisfil |
| Heart and Stroke [Central East], Bureau de Barrie, Maladies du coeur et AVC, Bureau de Barrie | Toronto |
| Heart to Home Meals | Collingwood |
| Heartfelt Home Care, Midland, Services de soins à domicile | Midland |
| Help is Here, Collingwood - Mailing Address | Collingwood |
| Helping Hand Food Bank, Banque alimentaire Helping Hand | Bradford West Gwillimbury |
| Helping Hand New To You | Essa |
| Helping Hands | Orillia |
| Helping Hands, Programme de lits de transition | Orillia |
| Helping Hands, Réconfort téléphonique | Orillia |
| Helping Hands, Services de vie assistée | Orillia |
| Helping Hands, Transport | Orillia |
| Helping Hands, Popote roulante | Orillia |
| Helping Hands for the Homeless | Barrie |
| Hémophilie Ontario | Scarborough Nord |
| Henninger Speech and Language Centre, Centre d'orthophonie Henninger | Barrie |
| Heritage Baptist Church, Barrie, église baptiste Heritage | Barrie |
| Heritage Barrie | Barrie |
| Heritage Christian Academy | Barrie |
| Hillcrest Village Care Centre, Centre de soins Hillcrest Village | Midland |
| Hi-Mark Occupational Skills Training Centre, Centre de formation professionnelle Hi-Mark | Oro-Medonte |
| Historic Military Establishment of Upper Canada / Royal Newfoundland Regiment | Penetanguishene |
| Hockey de zone AAA des Colts de Barrie | Barrie |
| Holland Bloorview Kids Rehabilitation Hospital, Ligne d'information Warmline, Toronto - Ligne téléphonique seulement, Ligne d'information Warmline | Toronto |
| Holly Chiropractic and Wellness, Chiropratique et bien-être Holly | Barrie |
| Holy Cross - St Nektarios Greek Orthodox Community, Holy Cross - Communauté grecque orthodoxe St Nektarios | Barrie |
| Holy Martyrs of Japan Roman Catholic Church, Église catholique romaine Holy Martyrs of Japan | Bradford West Gwillimbury |
| Holy Martyrs of Japan Roman Catholic Church, St. Vincent de Paul | Bradford West Gwillimbury |
| Home Care Assistance, Aide aux soins à domicile | Barrie |
| Home Horizon, Collingwood, Barbara Weider House | Collingwood |
| Home Instead, Barrie | Barrie |
| Hope City Church, Café Higher Grounds | Barrie |
| Hope City Church, Hope Centre | Barrie |
| Hope Counselling and Life Coaching Services, Services de counselling et de mentorat spécialisé Hope | Bracebridge |
| Hôpital des Tortues de Georgian Bay | Oro-Medonte |
| Hôpital général de la baie Georgienne, Fondation de l'Hôpital général de la baie Georgienne, Midland | Midland |
| Hôpital général de la baie Georgienne, Midland, Hôpital général de la baie Georgienne, Midland | Midland |
| Hôpital général de la baie Georgienne, Midland, Service d'urgence | Midland |
| Hôpital général de la baie Georgienne, Midland, Volunteer Association | Midland |
| Hospice Georgian Triangle, Soins palliatifs Hospice Georgian Triangle | Collingwood |
| Hospice Huronia, Tomkins House | Penetanguishene |
| Hospice Mariposa House | Severn |
| Hospice Orillia, Soins palliatifs Orillia | Orillia |
| Hospice Simcoe, chemin Bell Farm, Services de soutien communautaire et d'accompagnement en deuil | Barrie |
| Hospice Simcoe, Hospice résidentiel | Barrie |
| Hospice Simcoe | Barrie |
| Huronia Alarm and Fire Security, Collingwood Office, Alarme et sécurité incendie Huronia, Collingwood Office | Collingwood |
| Huronia Alarm and Fire Security, Midland Office, Huronia Alarm and Fire Security, Midland Office | Midland |
| Huronia Animal Control, Contrôle animalier Huronia | Tiny |
| Huronia Family Housing Co-Operative | Midland |
| Huronia Fur and Feather Breeders Association | Oro-Medonte |
| Huronia Handweavers, Tisseurs à main Huronia | Minesing |
| Huronia Land Conservancy | Midland |
| Huronia Nurse Practitioner-Led Clinic | Oro-Medonte |
| Huronia Pregnancy Resource Centre, Centre de ressources en matière de grossesse d'Huronia | Midland |
| Huronia Radio Control Club | Barrie |
| Huronia Rose Society, Société des Roses Huronia | Barrie |
| Huronia Seniors Volunteer Care Team (HSVCT), Huronia Seniors Volunteer Care Team, Wheels 4 Wheels | Midland |
| Huronia Stallions Football Club, Mailing Address | Springwater |
| Huronia Transition Homes | Midland |
| Huronia Transition Homes, Centre de counselling et de défense en matière d'agression sexuelle Athena | Barrie |
| Huronia Transition Homes, Choices for Children | Midland |
| Huronia Transition Homes, Dépôt d'urgence d'articles pour bébés de Midland | Midland |
| Huronia Transition Homes, La Maison Rosewood Shelter | Midland |
| Huronia Transition Homes, Operation Grow | Midland |
| Huronia Urgent Care Clinic, Clinique de soins d'urgence Huronia | Barrie |
| Hydrocephalus Canada | Etobicoke Centre |