| Oak Park Neighbourhood Centre, Food Bank | Oakville |
| Oak Park Neighbourhood Centre, Low Income Supports | Oakville |
| Oak Park Neighbourhood Centre, Churchill Neighbourhood Centre | Oakville |
| Oak Park Neighbourhood Centre, Family & Young Child Programs | Oakville |
| Oak Park Neighbourhood Centre, Licensed Child Care Centre | Oakville |
| Oak Park Neighbourhood Centre, Youth & Adult Programs | Oakville |
| Oakville Academy for the Arts, Licensed Child Care Centre | Oakville |
| Oakville Aquatic Club | Oakville |
| Oakville Art Society (The) | Oakville |
| Oakville Choir for Children & Youth | Oakville |
| Oakville Cricket Club | Oakville |
| Oakville Curling Club | Oakville |
| Oakville Cycling Club | Oakville |
| Oakville Galleries, Art Classes and Camps | Oakville |
| Oakville Girls Softball Association | Oakville |
| Oakville Gymnastics Club | Oakville |
| Oakville Hornets Girls Hockey Association | Oakville |
| Oakville Improv Theatre Company | Oakville |
| Oakville Lawn Bowling Club | Oakville |
| Oakville Little League Baseball | Oakville |
| Oakville Minor Baseball Association | Oakville |
| Oakville Minor Lacrosse Association | Oakville |
| Oakville Museum At Erchless Estate, March Break & Summer Day Camps | Oakville |
| Oakville Parent-Child Centre, Oakville - 461 North Service Rd W - Main Location, Parent, Child & Family Programs | Oakville |
| Oakville Parent-Child Centre, Licensed Child Care Centre | Oakville |
| Oakville Parent-Child Centre, Oakville - 481 North Service Rd W - Satellite Location | Oakville |
| Oakville Parent-Child Centre, Oakville - Oakwood Public School | Oakville |
| Oakville Parent-Child Centre, Oakville - Oakwood Public School, Oakwood After School Program - Licensed Child Care Centre | Oakville |
| Oakville Parent-Child Centre, Oakville - Queen Elizabeth Park Community and Cultural Centre | Oakville |
| Oakville Public Library, Central Branch, Branch Specific Services | Oakville |
| Oakville Public Library, Central Branch, Community Food Corner | Oakville |
| Oakville Public Library, Clearview Branch, Branch Specific Services | Oakville |
| Oakville Public Library, Glen Abbey Branch, Branch Specific Services | Oakville |
| Oakville Public Library, Glen Abbey Branch, Community Food Corner | Oakville |
| Oakville Public Library, Iroquois Ridge Branch, Branch Specific Services | Oakville |
| Oakville Public Library, Library Services | Oakville |
| Oakville Public Library, Sixteen Mile Branch, Branch Specific Services | Oakville |
| Oakville Public Library, White Oaks Branch, Branch Specific Services | Oakville |
| Oakville Public Library, Woodside Branch, Branch Specific Services | Oakville |
| Oakville Rangers Hockey Club | Oakville |
| Oakville Renegades Track Club | Oakville |
| Oakville Soccer Club | Oakville |
| Oakville Soccer Club, Pine Glen Soccer Centre, Breaking Barriers Program | Oakville |
| Oakville Speed Skating Club | Oakville |
| Oakville Suzuki Association | Oakville |
| Oakville Symphony Youth Orchestra | Oakville |
| Oakville Thunder Volleyball Club | Oakville |
| Oakville Titans Football | Oakville |
| Oakville Track & Field Club | Halton Region |
| Oakville Vocal Arts Festival | Oakville |
| Oakville Yacht Squadron, Sailing School | Oakville |
| Oakville. Parks and Open Space, Outdoor Skating Rinks | Oakville |
| Oakville. Parks and Open Space, Splash Pads | Oakville |
| Oakville. Recreation and Culture, Aquatics Programs | Oakville |
| Oakville. Recreation and Culture, Children's Programs | Oakville |
| Oakville. Recreation and Culture, Glen Abbey Community Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Indoor and Outdoor Swimming Pools | Oakville |
| Oakville. Recreation and Culture, Iroquois Ridge Community Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Joshua's Creek Arenas, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Kinoak Arena, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Maple Grove Arena, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Inclusion and Support Services | Oakville |
| Oakville. Recreation and Culture, Recreation Subsidy Programs | Oakville |
| Oakville. Recreation and Culture, Oakville Trafalgar Community Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Preschool Programs | Oakville |
| Oakville. Recreation and Culture, Public Skating | Oakville |
| Oakville. Recreation and Culture, Queen Elizabeth Park Community and Cultural Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Queen Elizabeth Park Community and Cultural Centre, Youth Centre | Oakville |
| Oakville. Recreation and Culture, River Oaks Community Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, School Break Camps and Workshops | Oakville |
| Oakville. Recreation and Culture, Sixteen Mile Sports Complex, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Skateboard Parks | Oakville |
| Oakville. Recreation and Culture, Trafalgar Park Community Centre, Recreation Facilities & Programs | Oakville |
| Oakville. Recreation and Culture, Youth Programs | Oakville |
| One Stop Talk | Ontario |
| Ontario Association for Families of Children with Communication Disorders | Woodstock |
| Ontario Autism Coalition | Ontario |
| Ontario Camps Association | Toronto |
| Ontario Federation for Cerebral Palsy | North York Central |
| Ontario Royals Baseball Club | Oakville |
| Ontario Track 3 Adaptive Sports Association | Milton |
| Ontario. Ministry of Children, Community and Social Services, Burlington Office, Ontario Disability Support Program | Burlington |
| Ontario. Ministry of Children, Community and Social Services, Ontario Autism Program | Toronto |
| Ontario. Ministry of Children, Community and Social Services, Special Services, Enhanced Respite and Assistance for Children with Disabilities (Mississauga), Mississauga - Central Region | Mississauga |
| Orange Seeds Montessori Centre, Licensed Child Care Centre | Oakville |
| Orchard Children's Centre (The), Licensed Child Care Centre | Burlington |
| Oshi's Daycare, Licensed Child Care Centre | Oakville |
| Our Little Angels Academy Licensed Home Child Care Agency, Licensed Home Child Care Agency | Milton |
