- Deja Vu
- Del Sol
- Del Sol Market
- Del Taco
- DeLair & DeLair Attorneys
- Delaware County Intermediate
- Delaware National Bank
- Delgado Travel
- Deli Express
- Deli Grocery
- Deli Mart
- Deli Plus
- Deli Time
- Delia's
- Deliverance Tabernacle
- Deliverance Temple
- Delivery Express
- Delivery Solutions
- Dell Direct Stores
- Dellaria Salon
- Deloitte Consulting
- Deloitte Touche
- Del's Farm Supply
- Delta Construction
- Delta Environmental Consultants
- Delta Life Insurance
- Delta Loans
- Delta Mechanical
- Delta Services
- Delta Sonic Car Wash
- Delta Systems
- Delta World Tire
- Deluxe Barber Shop
- Deluxe Carpet Cleaning
- Deluxe Cleaners
- Deluxe Dry Cleaners
- Deluxe Inn
- Deluxe Motel
- Democratic Headquarters