- Bakeries, Brewerton
- Bank Supplies & Equipment, Brewerton
- Banks, Brewerton
- Baptist Churches, Brewerton
- Bars, Brewerton
- Bars & Grills, Brewerton
- Beauty Salons, Brewerton
- Beer Taverns, Brewerton
- Beverage Stores, Brewerton
- Boat Maintenance, Brewerton
- Boat Services, Brewerton
- Boat Storage , Brewerton - Equipment & Services
- Boating & Swimming Clubs, Brewerton
- Boats & Yachts, Brewerton - Yachts, Sailboats & Boats for Sale
- Boiler & Furnace Contractors, Brewerton - Installation, Cleaning & Repair Services
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- Bonds Surety & Fidelity, Brewerton
- Breakfast Restaurants, Brewerton
- Builders & Contractors, Brewerton
- Builders & Contractors - More, Brewerton
- Building Materials, Brewerton - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Brewerton
- Burglar Alarm Systems, Brewerton
- Bus Rental & Charter Bus Service, Brewerton
- Business Insurance, Brewerton
- Business Legal Services, Brewerton
- Business Management Consultants, Brewerton
- Business Planning & Consulting, Brewerton
- Business Services, Brewerton
- Business, Vocational & Technical, Brewerton
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