| | Organization Name(s) | Located In |
Service Categories |
| | Dads Against Dirty Air | Greater Toronto Area |
Environmental Issues |
 | Dance Elite | Milton |
Ballet Instruction ; Jazz Dancing Instruction ; Modern Dance Instruction ; Musicals/Light Opera Productions ; Tap Dancing Instruction |
 | Dance Exchange (The) | Oakville |
Ballet Instruction ; Jazz Dancing Instruction ; Popular Dancing Instruction ; Tap Dancing Instruction |
 | Dance Shoppe (The) | Milton |
Ballroom Dancing Instruction ~ Adults ; Jazz Dancing Instruction ; Modern Dance Instruction ; Popular Dancing Instruction ; Tap Dancing Instruction |
 | Danielle's Place, Eating Disorder Support and Resource Centre | Burlington (Central Burlington) |
Disease/Disability Information ~ Eating Disorders ; Weight Related Support Groups |
 | Darling Home for Kids (The) | Milton |
Children's Respite Care ; Hospice Facilities ~ Children |
 | De Fazio Hockey Camp | Oakville |
Special Interest Camps ~ Ice Hockey |
 | Dearcroft Montessori School | Oakville (Eastlake) |
Child Care Centres ; Preschools ; Private Schools ~ Elementary Schools |
 | Deerfield Golf Club, Rental Facilities | Oakville |
Meeting Space |
 | Delmanor Glen Abbey Seniors Community | Oakville (Glen Abbey) |
Adult Residential Care Homes |
 | Destination Campbellville Community Association | Campbellville |
Business Networking Groups |
| | Developmental Early Identification and Prevention Program | Halton Region |
Early Intervention for Children with Disabilities/Delays |
 | Developmental Services Ontario, Central West Region, Halton Office | Milton |
Adult Respite Care ~ Developmental Disabilities ; Case/Care Management ~ Developmental Disabilities ; Supported Living Services for Adults with Disabilities |
 | digiKidz, Summer Technology Camp | Oakville (College Park) |
Day Camps ~ Youth ~ Multimedia Artists/Animators |
 | directSmiles, Mobile Dental Hygiene Services | Oakville |
Dental Hygiene ~ Homebound |
 | Disability Information Service Helpline | Hamilton |
Specialized Information and Referral ~ Multiple Disabilities |
 | Disabled and Aged Regional Transit System (DARTS) | Hamilton |
Disability Related Transportation |
 | Discrimination and Harassment Counsel | Toronto |
Lawyer Complaints |
| | Distress Centre, Oakville | Oakville |
Communication Training ; Counselling/Information Support Volunteer Opportunities ; General Crisis Intervention Hotlines |
| | Distress Centre North Halton | Georgetown |
General Crisis Intervention Hotlines |
 | Distress Centres of Toronto, Survivor Support Program | Toronto |
Agency Based Libraries/Resource Centres ~ Suicide Issues ; Bereavement Support Groups ~ Suicide Issues |
| | Doctors Accepting New Patients in Halton | Halton Region |
Physician Referrals |
| | Doctors Speakers Bureau | Burlington |
Speakers/Speakers Bureaus |
 | Doctors Without Borders / Médecins Sans Frontières | Toronto |
International Relief |
 | Dog Guides Canada | Oakville |
Dog Guides ; Mobility Assistance Service Animals ; Seizure Dogs ; Signal Dogs |
| | Dog Rescuers Inc | Oakville |
Protective Services for Animals |
 | Domestic Violence Emergency Response System | Oakville |
Spouse/Domestic Partner Abuse Prevention |
 | Domus Foundation, Milton Townhouse Complex | Milton |
Low Income/Subsidized Rental Housing |
 | Don Rowing Club of Mississauga | Mississauga |
Rowing |
 | Donkey Sanctuary of Canada (The) | Guelph |
Protective Services for Animals |
| | Doors Open Burlington | Burlington |
Community Celebrations/Festivals ; Tourism Development |
 | Double Blue Basketball School | Oakville (College Park) |
Basketball ~ Sports Related Instruction |
| | Doula CARE Inc | Oakville |
Doula Services |
 | Downtown Georgetown Farmers' Market | Georgetown |
Farmers Markets |
 | Downtown Milton Business Improvement Area | Milton |
Main Street Programs |
 | Downtown Oakville Business Improvement Area | Oakville (Old Oakville) |
Main Street Programs |
 | Downtown Oakville Business Improvement Area, Downtown Oakville Jazz Festival | Oakville (Old Oakville) |
Jazz Concerts |
| | Drew Hildebrand Teen Benefit Fund | Mississauga |
Scholarships ~ At Risk Youth ; Subject Specific Public Awareness/Education ~ At Risk Youth |
 | DriveABLE, Milton Location | Milton |
Driving Evaluation |
 | Drivetest Centre, Burlington | Burlington (Tyandaga) |
Driver Licence Testing Sites |
 | Drivetest Centre, Guelph | Guelph |
Driver Licence Testing Sites |
 | Drivetest Centre, Oakville | Oakville |
Driver Licence Testing Sites |
| | Drummond House | Waterdown |
Transitional Housing/Shelter ~ Christian Community ~ Women |
 | Drury Lane Theatrical Productions Incorporated | Burlington |
Musicals/Light Opera Productions |
 | Duke of Edinburgh's Award (The) | Toronto |
Youth Community Service Programs ; Youth Enrichment Programs |
 | Dundas Valley School of Art | Dundas |
Schools of the Arts |
 | Dundurn National Historic Site, Dundurn Castle | Hamilton |
Local/Regional History Museums |
 | Dundurn National Historic Site, Hamilton Military Museum | Hamilton |
Military Museums |
| | Duplicate Bridge Club | Georgetown |
Bridge |
 | Dying With Dignity Canada | Toronto |
Agency Based Libraries/Resource Centres ~ Death and Dying Issues ; Durable Power of Attorney for Health Care ; General Health Education Programs ~ Death and Dying Issues ; Living Wills ; Right to Die Groups ; Terminal Illness Counselling |
 | Dystonia Medical Research Foundation Canada | Toronto |
Biological and Life Sciences Research ~ Dystonia Musculum Deformans ; Health/Disability Related Support Groups ~ Dystonia Musculum Deformans |