- Dairy Products - Wholesale & Retail, Pittsford
- Dance Companies, Pittsford
- Data Communications Service, Equipment, Supplies & Sales, Pittsford
- Data Processing Services, Pittsford
- Day Camps, Pittsford
- Day Spas, Pittsford
- Deck, Patio & Gazebo Design, Building, Cleaning, Repair & Maintenance Contractors, Pittsford
- Decorating & Designing Services, Pittsford
- Dental Bonding & Cosmetic Dentistry, Pittsford - Cosmetic Dentist & Tooth Bonding
- Dentists, Pittsford
- Department Stores, Pittsford
- Dermatologists, Pittsford - Skin Doctors, Physicians & Surgeons (Dermatology)
- Designer Clothes & Accessories, Pittsford
- Desktop Publishing, Pittsford
- Developmental Disabilities, Pittsford
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- Dieticians & Diet Counseling, Pittsford
- Direct Mail Advertising Services, Pittsford
- Disabled Persons Assistive Services, Pittsford
- Disc Jockeys, Pittsford
- Disease, Handicap & Disability Services, Organizations & Groups, Pittsford
- Divorce & Family Law Attorneys & Lawyers, Pittsford
- Doctorate Degree, Pittsford
- Doctors, Physicians & Surgeons, Pittsford
- Donuts, Pittsford
- Drinking Establishments, Pittsford
- Drugs, Pharmaceutical Products & Toiletries - Wholesale & Manufacturers, Pittsford
- Dry Cleaning & Laundry, Pittsford - Dry Cleaners
- DUI Attorneys & Lawyers, Pittsford - DWI - Drunk Driving
- DUI Lawyers & Attorneys, Pittsford - DWI - Drunk Driving
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