| Habitat for Humanity, GTA | Brampton |
| Habitat for Humanity Halton-Mississauga | |
| Hakuna Matata Child Care Centre Inc. | Erin Mills |
| Halton Women's Place | Burlington |
| Halton-Peel Community Aphasia Programs, Brampton Civic Centre | Brampton |
| Halton-Peel Community Aphasia Programs, Nance Horwood Place | Brampton |
| Handicare | Concord |
| Happy Kids Family Daycare Agency | Mississauga |
| Happy Life Child Care Centre | Brampton |
| Har Tikvah Congregation of Brampton | Brampton |
| Harvest Ontario | Ontario |
| Hawthorne Woods Care Community | Brampton |
| Headwater Hills Montessori School | Caledon |
| Headwaters Family Visit Centre | Orangeville |
| Headwaters Health Care Centre | Orangeville |
| Headwaters Health Care Centre, Adult Speech-Language Pathology Services | Orangeville |
| Headwaters Health Care Centre, Diabetes Care Program | Orangeville |
| Headwaters Health Care Centre, Diganostic Imaging | Orangeville |
| Headwaters Health Care Centre, Emergency Department | Orangeville |
| Headwaters Health Care Centre, Emergency Department, Mental Health, Transitional Care Worker | Orangeville |
| Headwaters Health Care Centre, Ophthalmology Service | Orangeville |
| Headwaters Health Care Centre, Physiotherapy Services | Orangeville |
| Headwaters Health Care Centre, Sunrise Program for domestic and sexual assault | Orangeville |
| Headwaters Health Care Centre, The Sexual Assault Treatment Program | Orangeville |
| Headwaters Homecare for Seniors | Caledon |
| Headwaters Pharmacy, Lakeview Crt | Orangeville |
| Headwaters Tourism | Orangeville |
| Headwaters Walk In Clinic | Orangeville |
| Healing Cycle Foundation (The) | Mississauga |
| Health Care Connect | Brampton |
| Health First Wellness Centre | Bolton |
| Health Plus Walk-In Clinic | Orangeville |
| Health+Plex Medical Centre | Brampton |
| Healthline Pharmacy | Brampton |
| Hear Now Hearing - Malton | Mississauga |
| Hearing Sciences, Audiology and Hearing Aid Centre, Bolton | Bolton |
| Hearing Solutions | Etobicoke North |
| HearingLife - formerly ListenUp Canada, Bolton | Bolton |
| HearingLife - formerly ListenUp Canada, Brampton Location | Brampton (City of) |
| HearingLife - Mississauga locations, formerly ListenUp Mississauga locations | Mississauga |
| HearingLife, Brampton North, formerly ListenUp - Brampton North | Brampton |
| Heart and Stroke Foundation of Canada, Peel Region Office | Brampton |
| Heart House Hospice | Mississauga |
| Heart Lake Community Food Cupboard | Brampton |
| Heart Lake X-Ray and Ultrasound | Brampton |
| Heart to Home Meals | Brampton |
| Hearts in Bloom Academy | Meadowvale |
| Help Call, Personal Emergency Response Services | Orangeville |
| Helping Hands Healthcare | Brampton |
| Henderson's Woodbridge Medical Pharmacy | Woodbridge |
| Heritage Caledon | Caledon East |
| Heritage Glen Pharmacy | Mississauga |
| Heritage House Retirement Residence | Mississauga |
| Heritage Mississauga, Robinson-Adamson Historic House, The Grange | Mississauga |
| Highway Terraces, Seniors Apartments | Etobicoke North |
| Hike Ontario | Mississauga |
| Hillcrest Private School | Orangeville |
| Historic Bovaird House | Brampton |
| Holland Christian Homes, Covenant Tower, Senior Living | Brampton |
| Holland Christian Homes, Hope Tower, Senior Living | Brampton |
| Holland Christian Homes, King Tower, Senior Living | Brampton |
| Holland Christian Homes, Peace Tower, Senior Living | Brampton |
| Holland Christian Homes, Providence Tower, Senior Living | Brampton |
| Holland Christian Homes, Trinity Tower, Senior Living | Brampton |
| Home Instead Senior Care, Brampton | Brampton |
| Home Instead Senior Care, Mississauga | Mississauga |
| Home Stairlift- Rentals and Sales | Woodbridge |
| Homestarts Incorporated | Mississauga |
| Homewatch Caregivers, Mississauga | Mississauga |
| Homewell Senior Care | Mississauga |
| Hooper's Pharmacy | Mississauga |
| Hooper's Pharmacy, Brampton | Brampton |
| Hope 24/7 | Brampton |
| Hope Autism Services | Mississauga |
| Hope Centre Christian Mission | Brampton |
| Hope Place Centres, Men's Live-In Treatment Program | Hornby |
| Hope Place Centres, Women's Treatment Centre | Milton |
| Horizon Elementary School Youth | Port Credit |
| Horizons Opioid Treatment Services, Brampton Location | Brampton |
| Horizons Opioid Treatment Services, Etobicoke Location | Etobicoke North |
| Hospice Dufferin | Orangeville |
| Hospice Dufferin, Bereavement Programs | Orangeville |
| Hospice Dufferin, End-Of-Life Care, Group Supports | Orangeville |
| Hospice Vaughan | Woodbridge |
| Hospice Vaughan, Caring Hands - Day Program | Woodbridge |
| Hospice Vaughan, Grief and Bereavement Support | Woodbridge |
| Hospice Vaughan, In-Home Visitation, Caregiver Support | Woodbridge |
| Hospital for Sick Children, Ontario Poison Centre | Toronto Central |
| Housing for Older Adults in Peel (H.O.A.P.), Working Group | Mississauga |
| Howden Medical Clinic | Brampton |
| Howden YMCA Child Care Centre | Bramalea |
| Human Services Department, Region of Peel, Early Years & Child Care Services | Brampton |
| Humber Child Development Centre | Etobicoke North |
| Humber College - Community Employment Services, Employment Ontario Services | Brampton |
| Humber Green Pharmacy | Etobicoke North |
| Humber Valley Heritage Trail Association, Bolton Chapter | Bolton |
| Humber Valley Terrace | Etobicoke North |
| Humber Valley X-Ray and Ultrasound | Etobicoke North |
| Hunter Driver Education | Bolton |
| Hunt's Healthcare Inc | Etobicoke North |
| Huron Park Montessori | Erin Mills |
| Huron Square Medical Centre | Mississauga |
| Hydro One Networks Inc | Toronto |
| Hydrocephalus Canada | Toronto |
| Hyland Centre Child Care | Shelburne |