Organization / Program Name(s)Located In
DeafBlind Ontario ServicesNewmarket
Denison Child Care Services, Dr John M Denison Child Care CentreNewmarket
Dental Emergency ClinicNewmarket
Developing and Nurturing Independence, DANI CenterThornhill West
Developmental Services Ontario, Central East RegionAurora
Diabetes CanadaToronto Downtown Central
Diabetes Regional Coordination Centres, Central West LHIN, Chronic Disease Prevention and Management Initiative at the Central West LHIN  Brampton
Dignity TransportationToronto
Dixon Garland Funeral HomeMarkham
Doane House HospiceNewmarket
Domestic DivasSutton
Down Syndrome Association of York RegionRichmond Hill
Dragonfly Wellness Retreat, Mailing AddressNewmarket
Ducks Unlimited Canada, Ontario Provincial OfficeBarrie
Dufferin Family Care CentreNorth York West
Dufferin Marsh Nature Committee (The)Schomberg
Dynasty Watercolour Association, Langstaff Community CentreRichmond Hill