- Banks, Trenton
- Baptist Churches, Trenton
- Barbers, Trenton
- Bars, Trenton
- Beauty Salons, Trenton
- Beer Taverns, Trenton
- Bereavement Services, Trenton
- Beverage & Juice Bottlers Manufacturers, Trenton
- Beverage Non-Alcoholic Manufacturers, Trenton
- Birth Control & Family Planning Clinics, Trenton
- Boiler Repair & Cleaning, Trenton
- Bonds, Trenton
- Bottled Gas, Lp Gas & Propane Dealers, Trenton
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- Bottling Manufacturing, Trenton
- Builders & Contractors, Trenton
- Builders & Contractors - More, Trenton
- Building Construction Consultants, Trenton - Construction Management & Consulting
- Building Hardware & Materials, Trenton
- Building Materials, Trenton - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Trenton
- Burial Advisory Service, Trenton
- Bus Lines, Trenton - Bus Transportation
- Business & Professional Associations, Trenton
- Business Legal Services, Trenton
- Business Services, Trenton
- Butchers & Meat Markets - Manufacturers, Trenton
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