| Halton Baby-Friendly Initiative | Halton Region |
| Halton Catholic Children's Foundation | Burlington |
| Halton Catholic District School Board | Burlington |
| Halton Catholic District School Board - Thomas Merton, Milton Campus | Milton |
| Halton Catholic District School Board - Thomas Merton, Welcome Centre | Halton Region |
| Halton Centre for Child Care (The), Licensed Child Care Centre | Oakville |
| Halton Children's Aid Society, Burlington Office | Burlington |
| Halton Children's Aid Society, Milton Office | Milton |
| Halton Day Care Services Licensed Home Child Care Agency, Licensed Home Child Care Agency | Milton |
| Halton District School Board, Burlington - JW Singleton Education Centre | Burlington |
| Halton District School Board, Burlington - Central Public School, Licensed Child Care Centre - Before and After School Care | Burlington |
| Halton District School Board, Burlington - John T Tuck Public School, Licensed Child Care Centre - Before and After School Care | Burlington |
| Halton District School Board, Special Education Advisory Committee | |
| Halton District School Board, Burlington - Tecumseh Public School, Licensed Child Care Centre - Before and After School Care | Burlington |
| Halton District School Board, Burlington- Lakeshore Public School, Licensed Child Care Centre - Before and After School Care | Burlington |
| Halton District School Board, Welcome Centre | Milton |
| Halton District School Board, Kilbride Public School, Licensed Child Care Centre - Before and After School Care | Burlington |
| Halton Down Syndrome Association | Burlington |
| Halton FASD, Adult FASD Parent/Caregiver Support Group | Halton Region |
| Halton Field Hockey Club | Oakville |
| Halton Hawks FC Academy | Milton |
| Halton Hawks Girls Fastpitch Association | Halton Hills |
| Halton Healthcare, Georgetown Hospital, Maternity | Georgetown |
| Halton Healthcare, Georgetown Hospital, Post Emergency Pediatric Clinic | Georgetown |
| Halton Healthcare, Milton District Hospital, Maternity | Milton |
| Halton Healthcare, Milton District Hospital, Post Emergency Pediatric Clinic | Milton |
| Halton Healthcare, Milton District Hospital, Tender Loving Corner Breastfeeding Clinic and Baby Boutique | Milton |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Child and Adolescent Services | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Maternity | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Child and Adolescent Clinic | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Navigator Program | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Outpatient Services | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Mental Health - Recovery Through Education of Adolescent and Children in Halton (REACH) | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Pediatric Surgery - Tonsillectomy and Adenoidectomy | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Pediatrics | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Post Emergency Pediatric Clinic | Oakville |
| Halton Healthcare, Oakville Trafalgar Memorial Hospital, Tender Loving Corner Breastfeeding Clinic and Baby Boutique | Oakville |
| Halton Hills Artistic Swimming Club | Georgetown |
| Halton Hills Child Care Centre, Licensed Child Care Centre | Georgetown |
| Halton Hills Gymnastics Centre | Georgetown |
| Halton Hills Minor Ball Hockey League | Halton Hills |
| Halton Hills Minor Baseball Association | Halton Hills |
| Halton Hills Minor Hockey Association | Georgetown |
| Halton Hills Minor Lacrosse Association | Georgetown |
| Halton Hills Pickleball Association | Halton Hills |
| Halton Hills Public Library, Georgetown Branch, Library Services | Georgetown |
| Halton Hills Public Library, Acton Branch, Library Services | Acton |
| Halton Hills Public Library, Children's and Youth Services | Georgetown |
| Halton Hills Public Library, Community Fridge | Halton Hills |
| Halton Hills Tennis Club | Georgetown |
| Halton Hills. Recreation & Parks | Georgetown |
| Halton Hills. Recreation & Parks, Acton Arena and Community Centre, Facility Rentals & Recreation Programs | Acton |
| Halton Hills. Recreation & Parks, Acton Lions Indoor Pool, Facility Rentals & Recreation Programs | Acton |
| Halton Hills. Recreation & Parks, Acton, Halton Hills Youth Centre | Acton |
| Halton Hills. Recreation & Parks, Georgetown - Gellert Community Centre, Facility Rentals & Recreation Programs | Georgetown |
| Halton Hills. Recreation & Parks, Georgetown - Mold-Masters SportsPlex, Facility Rentals & Recreation Programs | Georgetown |
| Halton Hills. Recreation & Parks, Georgetown Indoor Pool, Facility Rentals & Recreation Programs | Georgetown |
| Halton Hills. Recreation & Parks, Georgetown, Halton Hills Youth Centre | Georgetown |
| Halton Hills. Recreation & Parks, March Break, Summer and School Holiday Camps | Georgetown |
| Halton Hills. Recreation & Parks, Splash Pads | Halton Hills |
| Halton Hills. Recreation & Parks, Sports Fields | Halton Hills |
| Halton Hills. Recreation & Parks, Tennis Courts | Halton Hills |
| Halton Hills. Recreation & Parks, Skate Parks | Halton Hills |
| Halton Information Providers | Oakville |
| Halton Outdoor Club | Burlington |
| Halton Region Volleyball Club | Burlington |
| Halton Regional Police Service, Youth Programs | Oakville |
| Halton Waldorf School, Licensed Child Care Centre | Burlington |
| Halton Waldorf School, Parent and Child Program | Burlington |
| Halton Women's Place, Emergency Shelter and Support Services | Halton Region |
| Halton. Halton Region Public Health | Oakville |
| Halton. Halton Region Public Health, Early Years Health | Oakville |
| Halton. Halton Region Public Health, Halton Prenatal Nutrition Program | Oakville |
| Halton. Halton Region Public Health, HaltonParents | Oakville |
| Halton. Halton Region Public Health, Healthy Babies Healthy Children Program | Oakville |
| Halton. Halton Region Public Health, Immunization Services | Oakville |
| Halton. Halton Region Public Health, School Years Health | Oakville |
| Halton. Regional Municipality of Halton, Regional Services | Oakville |
| Halton. Social and Community Services | Oakville |
| Halton. Social and Community Services, Oakville - Halton Regional Centre, Ontario Works | Halton Region |
| Halton. Social and Community Services - Children's Services, Georgetown - Maple Avenue Regional Child Care Centre, Licensed Child Care Centre | Georgetown |
| Halton. Social and Community Services - Children's Services, Child Care - Fee Subsidy Program | Oakville |
| Halton. Social and Community Services - Children's Services, Child Care Services | Oakville |
| Halton. Social and Community Services - Children's Services, Children's Developmental Services | Oakville |
| Halton. Social and Community Services - Children's Services, Oakville - Margaret Drive Regional Child Care Centre, Licensed Child Care Centre | Oakville |
| Halton. Social and Community Services - Children's Services, Oakville - Sedgewick Crescent Regional Child Care, Licensed Child Care Centre | Oakville |
| Halton-Peel Cruisers Sports for the Physically Disabled | Meadowvale |
| Hamilton Children's Choir, Hamilton Children's Choir Classes and Performances | Hamilton |
| Hamilton Health Sciences, Infant Parent Program, Ron Joyce Children's Health Centre | Hamilton |
| Hamilton Health Sciences, Technology Access Clinic, Ron Joyce Children's Health Centre | Hamilton |
| Happy Beginnings Day Care Centre, Licensed Child Care Centre | Burlington |
| Hawthorne Midwives | Milton |
| Headon Forest Montessori, Licensed Montessori School | Burlington |
| Helping Hands Child Care Centre, Licensed Child Care Centre | Burlington |
| Heritage Montessori, Licensed Child Care Centre | Oakville |
| High5 Day Care Inc, High5 Home Child Care - Licensed Home Child Care Agency | Halton North |
| HIPPY Halton, Home Instruction for Parents of Preschool Youngsters | Oakville |
| HMC Connections, Community Connections Program | Halton Region |
| HMC Connections, Support for Ukrainians | Halton Region |
| Holy Cross Roman Catholic Church, Holy Cross HELPS | Georgetown |
| Hope Bible Church Oakville, The Market | Oakville |
| Hope Place Centres, Community Based Addiction Treatment | Halton Hills |
| Hopedale Montessori School, Oakville - Third Line, Licensed Child Care Centre | Oakville |
| Hopedale Montessori School, Burlington - Orchard Rd, Licensed Child Care Centre | Burlington |
| Hopedale Montessori School, Oakville - Dundas St W, Licensed Child Care Centre | Oakville |
| Hopedale Montessori School, Oakville - William St, Licensed Child Care Centre | Oakville |
| Hospice Mississauga, Hospice Palliative Helpline | Mississauga |
| Hospital for Sick Children | Toronto |
| Hospital for Sick Children (The) - Toronto Region Pediatric Virtual Urgent Care Clinic | Toronto Downtown Central |
| How to Find - Crisis and Distress Services, Halton Region | Halton Region |
| How to Find - Food Banks & Community Meals, Milton | Milton |
| How to Find - Food Banks & Community Meals, Oakville | Oakville |
| How to Find - Sexual Assault and Domestic Violence Crisis Services, Halton Region | Halton Region |
