- Dairy Farms, Clarksville
- Dance Companies, Clarksville
- Day Spas, Clarksville
- Decorating & Designing Services, Clarksville
- Decorative & Stamped Concrete, Clarksville
- Delivery & Errand Services, Clarksville
- Dental Bonding & Cosmetic Dentistry, Clarksville - Cosmetic Dentist & Tooth Bonding
- Dentists, Clarksville
- Department Stores, Clarksville
- Diamonds & Precious & Semi-Precious Stones, Clarksville
- Direct Mail Advertising Services, Clarksville
- Disciples Of Christ Church, Clarksville
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- Discount Stores, Clarksville - Clothing, Grocery, Furniture, Etc
- Displays & Display Installation Service, Clarksville - Trade Show Displays
- Doctors, Physicians & Surgeons, Clarksville
- Donuts, Clarksville
- Drinking Establishments, Clarksville
- Drugs, Pharmaceutical Products & Toiletries - Wholesale & Manufacturers, Clarksville
- Dry Cleaning & Laundry, Clarksville - Dry Cleaners
- Drywall Contractors, Clarksville - Drywall Repair & Installation Services
- Drywall, Insulation & Plaster Contractors, Clarksville - Installation & Repair Services
- Dump Truck, Clarksville
- Dumpster Rental, Clarksville
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