- Drivers license training school
- Digital printing service
- Discount store
- Delivery service
- Driving school
- Direct mail advertising
- Discount supermarket
- Display stand manufacturer
- Dance store
- Deck builder
- Driver's license office
- Dental insurance agency
- Diner
- Dessert shop
- Dental hygienist
- Dental supply store
- Diamond dealer
- Dental laboratory
- Dental implants provider
- Dive shop