- Bakeries, Ellenville
- Banks, Ellenville
- Baptist Churches, Ellenville
- Bars, Ellenville
- Bars & Grills, Ellenville
- Beach & Water Related Services, Ellenville
- Beauty Salons, Ellenville
- Beer & Wine Stores, Ellenville
- Beverage Stores, Ellenville
- Bistros, Ellenville
- Bonds Surety & Fidelity, Ellenville
- Breakfast Restaurants, Ellenville
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- Builders & Contractors, Ellenville
- Builders Hardware Stores, Ellenville
- Building Construction Consultants, Ellenville - Construction Management & Consulting
- Building Materials, Ellenville - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Ellenville
- Burglar Alarm Systems, Ellenville
- Bus Lines, Ellenville - Bus Transportation
- Bus Lines Ticket Agencies, Ellenville
- Business & Professional Associations, Ellenville
- Business Insurance, Ellenville
- Business Legal Services, Ellenville
- Business Services, Ellenville
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