| | Organization Name(s) | Located In |
| | Haldimand & Norfolk Womens Services | Simcoe |
 | Haldimand Norfolk Reach, Child Care Services | Townsend |
 | Halton Resource Connection, Child Care Directory and Information Line | Milton |
 | Hamilton Academy of Performing Arts, Day Camp Programs | Dundas |
| | Hamilton and District Baseball Association | Hamilton (City of) |
 | Hamilton and District Council of Co-operative Preschools Corporation | Hamilton Mountain West |
 | Hamilton and District Council of Co-operative Preschools Corporation, Integration Program | Hamilton East |
 | Hamilton and District Extend A Family | Hamilton Central |
| | Hamilton Aquatic Club | Hamilton |
 | Hamilton Basketball Association | Hamilton Mountain East |
 | Hamilton Burlington Society for the Prevention of Cruelty to Animals, Day Camp Programs | Hamilton Mountain East |
 | Hamilton Challenger Baseball Association | Hamilton Mountain Central |
 | Hamilton Chinese Community Services Centre, Language Summer Camp, Day Camp Program | Hamilton West |
 | Hamilton Conservation Authority, Dundas Valley Conservation Area, Adventures in the Valley, Day Camp Programs | Dundas |
 | Hamilton Conservatory for the Arts | Hamilton Central |
 | Hamilton Conservatory for the Arts, Culture for Kids In the Arts | Hamilton Central |
 | Hamilton Conservatory for the Arts, Day Camp Programs | Hamilton Central |
 | Hamilton District Society for Disabled Children | Hamilton Mountain West |
| | Hamilton Doula Group | Hamilton |
 | Hamilton Dream Center (The) | Hamilton East |
 | Hamilton Family Network | Hamilton East |
| | Hamilton Girls Hockey Association | Hamilton |
 | Hamilton Gymnastic Academy | Ancaster |
 | Hamilton Gymnastic Academy, Day Camp Programs, Recreational and Competitive Gymnastic Programs | Ancaster |
 | Hamilton Health Sciences | Hamilton West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Autism Spectrum Disorder Service | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Autism Spectrum Disorder Service, Hamilton Autism Intervention Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Community Education Service | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Community Education Service - COPEing With 3 to 12 Year Olds | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Family Resource Centre | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Family Resource Centre - Community Education Service | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Outpatient Service - (0-18) | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Outpatient Service - Home Based Services | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Child and Youth Mental Health Program, Rapid Response Consultation Service (0 - 6) | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Children's Developmental Therapy Services | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Cleft Lip and Palate Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Children's Developmental Rehabilitation Programme | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Preschool Communication Service | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Registration Office | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Developmental Pediatrics and Rehabilitation, Specialized Developmental and Behavioural Services | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Family Resource Centre | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Infant Parent Program | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Infant Parent Program, Right from the Start | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Pediatric Lipid Clinic | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Special Needs Services, Holbrook Building B-Wing Location | Hamilton Mountain West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Chedoke Site, Technology Access Clinic | Hamilton Mountain West |
| | Hamilton Health Sciences, McMaster Childrens Hospital, Childrens Exercise and Nutrition Centre | Hamilton West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, McMaster Site, 2G, 2Q and 3E Child and Youth Clinic | Hamilton West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, McMaster Site, Children's Exercise and Nutrition Centre, Growing Healthy Weight Management Program | Hamilton West |
 | Hamilton Health Sciences, McMaster Childrens Hospital, Pediatric Eating Disorders Program | Hamilton West |
 | Hamilton Health Sciences, McMaster Children's Hospital | Hamilton West |
 | Hamilton Health Sciences, McMaster University Medical Centre, Maternity Registration Clinic | Hamilton West |
 | Hamilton Hebrew Academy | Hamilton West |
| | Hamilton Home Child Care Group | Hamilton Mountain West |
| | Hamilton Homeschool Association | Hamilton (City of) |
 | Hamilton Literacy Council | Hamilton Central |
 | Hamilton Midwives (The) | Hamilton Central |
 | Hamilton Niagara Regional Autism Intervention Program | Hamilton Mountain West |
 | Hamilton Public Library | Hamilton Central |
 | Hamilton Public Library, Ancaster Branch | Ancaster |
 | Hamilton Public Library, Barton Branch | Hamilton East |
 | Hamilton Public Library, Binbrook Branch | Binbrook |
 | Hamilton Public Library, Carlisle Branch | Carlisle |
 | Hamilton Public Library, Central Library, Local History and Archives Department | Hamilton Central |
 | Hamilton Public Library, Central Library, Visiting Library Service | Hamilton Central |
 | Hamilton Public Library, Central Library, Bookmobile Services | Hamilton Central |
 | Hamilton Public Library, Central Library, Learning Centre and LINC Program (The) | Hamilton Central |
 | Hamilton Public Library, Concession Branch | Hamilton Mountain East |
 | Hamilton Public Library, Dundas Branch | Dundas |
 | Hamilton Public Library, Freelton Branch | Freelton |
 | Hamilton Public Library, Greensville Branch | Flamborough |
 | Hamilton Public Library, Kenilworth Branch | Hamilton East |
 | Hamilton Public Library, Locke Branch | Hamilton West |
 | Hamilton Public Library, Lynden Branch | Lynden |
 | Hamilton Public Library, Millgrove Branch | Millgrove |
 | Hamilton Public Library, Mount Hope Branch | Mount Hope |
 | Hamilton Public Library, Red Hill Branch | Hamilton East |
 | Hamilton Public Library, Saltfleet Branch | Stoney Creek - Lower |
 | Hamilton Public Library, Sherwood Branch | Hamilton Mountain East |
 | Hamilton Public Library, Stoney Creek Branch | Stoney Creek - Lower |
 | Hamilton Public Library, Terryberry Branch | Hamilton Mountain West |
 | Hamilton Public Library, Turner Park Branch | Hamilton Mountain Central |
 | Hamilton Public Library, Valley Park Branch | Stoney Creek - Upper |
 | Hamilton Public Library, Waterdown Branch | Waterdown |
 | Hamilton Public Library, Westdale Branch | Hamilton West |
 | Hamilton Public Library Workplace Child Care Centre | Hamilton Central |
 | Hamilton Regional Indian Centre | Hamilton East |
 | Hamilton Regional Indian Centre, Canada Prenatal Nutrition Program, Aboriginal Prenatal Nutritional Program | Hamilton East |
 | Hamilton School of Music | Hamilton Mountain East |
 | Hamilton Spectator (The), Spectator Summer Camp Fund | Hamilton Central |
 | Hamilton Urban Core Community Health Centre | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Community Oral Health Program | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Day Camp Programs | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Early Steps Program | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Food Access Programs | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Life Lessons Parenting Program | Hamilton Central |
 | Hamilton Urban Core Community Health Centre, Settlement Program | Hamilton Central |
 | Hamilton Urban Theatre Association | Hamilton Central |
 | Hamilton Urban Theatre Association, Shakespearience, Youth Drama Day Camp Programs | Hamilton Central |
 | Hamilton Wentworth Catholic District School Board | Hamilton Central |
 | Hamilton Wentworth Catholic District School Board, Speech, Language, and Hearing Services | Hamilton Central |
| | Hamilton Wentworth Chapter of Native Women Incorporated, Native Women's Centre | Hamilton East |
 | Hamilton Wentworth District School Board | Hamilton Central |
 | Hamilton Wentworth District School Board, Alternative Education, Ancaster Secondary Site | Ancaster |
 | Hamilton Wentworth District School Board, Community and Continuing Education, King William Learning Centre | Hamilton Central |
| | Hamilton Wildcats Basketball Academy | Hamilton East |
 | Hamilton Wildcats Basketball Academy, Summer Skills Development Camp, Day Camp Programs, Barton Secondary School Location | Hamilton Mountain East |
 | Hamilton. Community and Emergency Services, Hamilton Fire Service, Fire Prevention Division, Hamilton Arson Prevention Program for Children | Hamilton |
 | Hamilton. Community and Emergency Services, Hamilton Fire Service, Fire Prevention Division, Main Office | Hamilton |
 | Hamilton. Community and Emergency Services, Recreation, Dominic Agostino Riverdale Community Centre | Hamilton East |
| | Hamilton. Community and Emergency Services, Recreation, Early Childhood Programs | Hamilton (City of) |
 | Hamilton. Community and Emergency Services, Recreation, Green Acres Outdoor Pool | Stoney Creek - Lower |
 | Hamilton. Community and Emergency Services, Recreation, H. G. Brewster Pool | Stoney Creek - Lower |
 | Hamilton. Community Services Department, Recreation Division, Ancaster Aquatic Centre | Ancaster |
 | Hamilton. Community Services Department, Recreation Division, Day Camp Programs | Hamilton (City of) |
| | Hamilton. Community Services Department, Recreation Division, Dundas Community Pool | Dundas |
 | Hamilton. Community Services Department, Recreation Division, Dundas Driving Park Splash Pad | Dundas |
 | Hamilton. Community Services Department, Recreation Division, Dundas Lions Memorial Community Centre, Recreational Programs | Dundas |
| | Hamilton. Community Services Department, Recreation Division, Jump and Tumble | Hamilton |
 | Hamilton. Community Services Department, Recreation Division, Kiddie Kapers | Dundas |
 | Hamilton. Community Services Department, Recreation Division, Parent and Tot Preschool Program | Hamilton |
| | Hamilton. Community Services Department, Recreation Division, Playgrounds | Dundas |
 | Hamilton. Community Services Department, Recreation Division, Spring Valley Arena | Ancaster |
 | Hamilton. Community Services Department, Recreation Division, Swimming Instruction, AquaTots / Splash / AquaQuest Programs | Dundas |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division | Hamilton Central |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division, Child Care Services Management | Hamilton Central |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division, Child Care Services Management, Child Care Subsidy Program | Hamilton Central |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division, Home Management Program | Hamilton Central |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division, Home Management Program, Learning, Earning And Parenting (LEAP) | Hamilton Central |
 | Hamilton. Community Services Department, Social Development and Early Childhood Services Division, Red Hill Family Centre | Hamilton East - Eastern Section |
 | Hamilton. Planning and Economic Development Department, Tourism and Culture Division | Hamilton Central |
 | Hamilton. Public Health and Social Services, Public Health, Head Lice - Bed Buster Clinic, Boys and Girls Clubs of Hamilton Location | Hamilton East |
 | Hamilton. Public Health and Social Services, Public Health, Head Lice - Bug Buster Clinic, Cathy Wever Elementary School Location | Hamilton East |
 | Hamilton. Public Health Services, Clinical and Preventive Services Division, Dental Program, Dental Health Bus | Hamilton Mountain East |
 | Hamilton. Public Health Services, Dental Services | Hamilton Mountain East |
 | Hamilton. Public Health Services, Family Health Division, Breastfeeding Clinic, Lime Ridge Mall Location | Hamilton Mountain East |
 | Hamilton. Public Health Services, Family Health Division, Child and Adolescent Services | Hamilton Central |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Church of the Ascension Location | Hamilton Central |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Church of the Resurrection Location | Hamilton Mountain Central |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Dominic Agostino Riverdale Community Centre Location | Hamilton East |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Healthy Moms Healthy Babies - North Hamilton Community Health Centre Location | Hamilton Central |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Ontario Early Years Centre Ellis Ave Location | Hamilton East |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Ontario Early Years Centre Main Street West Location | Hamilton West |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Ontario Early Years Centre Sanford Avenue Location | Hamilton East |
 | Hamilton. Public Health Services, Family Health Division, Hamilton Prenatal Nutrition Project, Welcome Baby, Youth Program - Ontario Early Years Centre Angela's Place Location | Hamilton Central |
 | Hamilton. Public Health Services, Family Health Division, Health Connections Information Line | Dundas |
 | Hamilton. Public Health Services, Family Health Division, Health Connections Information Line, Beyond the Basics Parenting Program | Hamilton East |
| | Hamilton. Public Health Services, Family Health Division, Health Connections Information Line, Car Seat Inspection Clinics | Hamilton (City of) |
| | Hamilton. Public Health Services, Family Health Division, Healthy Babies, Healthy Children Program | Hamilton (City of) |
| | Hamilton. Public Health Services, Family Health Division, Incredible Years Parenting Program (Ages 3 - 6 yrs) | Hamilton (City of) |
 | Hamilton. Public Health Services, Family Health Division, Nurse-Family Partnership | Dundas |
 | Hamilton. Public Health Services, Family Health Division, Prenatal Classes | Hamilton (City of) |
| | Hamilton. Public Health Services, Healthy Schools, The Incredible Years School Program, Children 5-12 Years | Hamilton (City of) |
 | Hamilton. Public Health Services And Social Services, Public Health | Dundas |
 | Hamilton-Wentworth Catholic Child Care Centres Inc. | Hamilton East |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Annunciation of Our Lord Before and After School Program | Hamilton Mountain Central |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Blessed John Paul II Before and After School Program | Hamilton Mountain East |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Blessed Teresa of Calcutta Before and After School Program | Hamilton Mountain East |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Cathedral Children's Centre | Hamilton East - Central Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Corpus Christi Before and After School Program | Hamilton Mountain Central |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Guardian Angels Before and After School Program | Waterdown |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Holy Name of Jesus Early Learning and Care Centre | Hamilton East - Central Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Holy Name of Mary Before and After School Program | Ancaster |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Immaculate Conception Before and After School Program | Ancaster |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Immaculate Heart of Mary Early Learning and Care Centre | Stoney Creek - Lower |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Our Lady of Lourdes Before and After School Program | Hamilton Mountain East |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Our Lady of Mount Carmel Children's Centre | Carlisle |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Our Lady of Peace Before and After School Program | Stoney Creek - Lower |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Our Lady of the Assumption Before and After School Program | Stoney Creek - Upper |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Regina Mundi Before and After School Program | Hamilton Mountain West |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Ann - Ancaster Before and After School Program | Ancaster |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Ann Early Learning and Care Centre | Hamilton East - Central Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Bernadette Early Learning and Care Centre | Dundas |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Brigid Early Learning and Care Centre | Hamilton Central |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Clare of Assisi Before and After School Program | Stoney Creek - Lower |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Columba Early Learning and Care Centre | Hamilton East - Central Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St David Early Learning and Care Centre | Hamilton East - Eastern Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Eugene Before and After School Program | Hamilton East - Eastern Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Francis Early Learning and Care Centre | Stoney Creek - Lower |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Helen Early Learning and Care Centre | Hamilton East - Eastern Section |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Marguerite d'Youville Children's Centre | Hamilton Mountain Central |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Mark Before and After School Program | Stoney Creek - Upper |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Matthew Child and Family Centre | Binbrook |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Michael Before and After School Program | Hamilton Mountain Central |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Teresa of Avila Before and After School Program | Hamilton Mountain West |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Therese of Lisieux Before and After School Program | Hamilton Mountain West |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Thomas More Children's Centre | Hamilton Mountain West |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Thomas Waterdown Before and After School Program | Waterdown |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., St Vincent de Paul Children's Centre | Hamilton Mountain West |
 | Hamilton-Wentworth Catholic Child Care Centres Inc., Sts Peter and Paul Before and After School Program | Hamilton Mountain Central |
 | HARRRP, Jamesville Location | Hamilton Central |
 | HARRRP, St Peter's Community Centre Location, McAughey Music | Hamilton East |
 | Heritage Green Child Care Inc | Stoney Creek - Upper |
 | Heritage Green Child Care Inc, Heritage Green School Age Program | Stoney Creek - Upper |
 | Hether Klesh Fine Art, Art Program | Hamilton Mountain East |
 | Higher Learning Montessori Preschool | Ancaster |
 | Hill Park Bible Church | Hamilton Mountain Central |
 | Hillfield Strathallan College | Hamilton Mountain West |
 | Hillfield Strathallan College, Co-educational day school for students 2 1/2 years to 18 years of age, in Montessori, Junior, Middle and Senior Schools | Hamilton Mountain West |
 | Hillfield Strathallan College, Day Camp Programs | Hamilton Mountain West |
 | Holland Bloorview Kids Rehabilitation Hospital | Toronto |
 | Holy Resurrection Romanian Orthodox Church | Hamilton Central |
 | Holy Trinity Anglican Church | Hamilton Mountain Central |
| | Homeschool Network (The) | Hamilton |
 | Honey Bears Co-operative Preschool of Hamilton | Hamilton East - Central Section |
| | Hospital for Sick Children, Division of Clinical Pharmacology, Motherisk Program | Toronto |