- Bakeries, Campbellton
- Bank Supplies & Equipment, Campbellton
- Banks, Campbellton
- Banquet Halls, Campbellton
- Baptist Churches, Campbellton
- Barber Shops, Campbellton
- Barbers, Campbellton
- Bars & Grills, Campbellton
- Basement Waterproofing - Waterproofing Contractors, Campbellton - Foundation & Concrete Waterproofing
- Beauty Consultants, Campbellton
- Beauty Salons, Campbellton
- Bed & Breakfast, Campbellton
- Beverage Stores, Campbellton
- Bicycle Shops, Campbellton - Road, Hybrid, Folding, BMX, Electric & Mountain Bikes Stores & Dealers
- Billiard & Pool Parlors, Campbellton
- Bird Repellent, Barrier & Control, Campbellton
- Boat Services, Campbellton
- Boiler & Furnace Contractors, Campbellton - Installation, Cleaning & Repair Services
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- Book Stores, Campbellton
- Books, Magazines & Newspapers Stores, Campbellton - Bookstores
- Bottle Returns, Campbellton
- Boutiques & Boutique Items, Campbellton
- Bowling Centers, Campbellton
- Builders & Contractors, Campbellton
- Builders & Contractors - More, Campbellton
- Building Construction Consultants, Campbellton - Construction Management & Consulting
- Building Hardware & Materials, Campbellton
- Building Materials & Supplies, Campbellton
- Burglar Alarm Systems, Campbellton
- Business & Professional Associations, Campbellton
- Business Insurance, Campbellton
- Business Legal Services, Campbellton
- Business Management Consultants, Campbellton
- Business Services, Campbellton
- Butcher Shops, Campbellton
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