- Bakeries, Durham
- Banks, Durham
- Bars, Durham
- Bars & Grills, Durham
- Bathtubs & Sinks - Repair & Refinishing, Durham - Bathtub Refinishing, Repair & Resurfacing
- Beauty Salons, Durham
- Beer Taverns, Durham
- Beverage Stores, Durham
- Boiler & Furnace Contractors, Durham - Installation, Cleaning & Repair Services
- Boiler - New & Used, Durham - Radiant Heating
- Book Stores, Durham
- Breakfast Restaurants, Durham
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- Builders & Contractors, Durham
- Builders & Contractors - More, Durham
- Building Construction Consultants, Durham - Construction Management & Consulting
- Building Hardware & Materials, Durham
- Building Materials, Durham - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Durham
- Burglar & Alarm Service, Durham - Monitoring Service
- Burglar Alarm Systems, Durham
- Bus Lines, Durham - Bus Transportation
- Bus Lines Ticket Agencies, Durham
- Business Management Consultants, Durham
- Business Services, Durham
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