- Dairy Farms, Quarryville
- Dairy Products - Wholesale & Retail, Quarryville
- Dance Companies, Quarryville
- Dancing Instructions, Quarryville
- Data Networking, Quarryville
- Day Spas, Quarryville
- Decorating & Designing Services, Quarryville
- Denomination, Non-Denominational, Etcetera, Quarryville
- Dental Bonding & Cosmetic Dentistry, Quarryville - Cosmetic Dentist & Tooth Bonding
- Dental Hygienists, Quarryville
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- Dentists, Quarryville
- Dentures, Quarryville
- Department Stores, Quarryville
- Disc Jockeys, Quarryville
- Discount Stores, Quarryville - Clothing, Grocery, Furniture, Etc
- Displays & Display Installation Service, Quarryville - Trade Show Displays
- Doctors, Physicians & Surgeons, Quarryville
- Dry Cleaning & Laundry, Quarryville - Dry Cleaners
- Drywall Contractors, Quarryville - Drywall Repair & Installation Services
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