- Data Processing Services, Sellersville
- Day Spas, Sellersville
- Deck Cleaning & Restoration, Sellersville - Clean & Seal Decks, Patios, Fences, etc
- Deck, Patio & Gazebo Design, Building, Cleaning, Repair & Maintenance Contractors, Sellersville
- Decorating & Designing Services, Sellersville
- Delicatessen Restaurants, Sellersville
- Dentists, Sellersville
- Department Stores, Sellersville
- Dermatologists, Sellersville - Skin Doctors, Physicians & Surgeons (Dermatology)
- Diner Restaurants, Sellersville
- Dirt, Sellersville
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- Disease, Handicap & Disability Services, Organizations & Groups, Sellersville
- Diving Equipment & Supplies, Sellersville - Scuba & Snorkel Gear & Masks Shops
- Doctors, Physicians & Surgeons, Sellersville
- Doll Clothing & Accessories, Sellersville
- Dolls, Doll Houses & Accessories , Sellersville
- Door & Gate Operating Devices, Sellersville
- Dredging Companies, Sellersville
- Drinking Establishments, Sellersville
- Dry Cleaning & Laundry, Sellersville - Dry Cleaners
- Drywall, Insulation & Plaster Contractors, Sellersville - Installation & Repair Services
- Dumpster Rental, Sellersville
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