- Bakeries, Kensington
- Balloons, Kensington
- Balloons - Novelty, Toy & Decorative, Kensington
- Ballrooms, Kensington
- Bankruptcy Services, Kensington
- Banks, Kensington
- Banquet Halls, Kensington
- Baptist Churches, Kensington
- Barber Shops, Kensington
- Barbers, Kensington
- Bars, Kensington
- Bars & Grills, Kensington
- Barter & Trade Exchanges, Kensington
- Baseball & Softball Batting Ranges, Kensington
- Bathing Accessories, Kensington
- Bathroom Accessories & Fixtures, Kensington - Bath Accessories, Vanity & Mirrors
- Bathroom Remodeling, Kensington - Bathroom Remodel & Planning Services
- Beach & Water Related Services, Kensington
- Beauty Salons, Kensington
- Beer & Wine Stores, Kensington
- Beer Taverns, Kensington
- Beverage Stores, Kensington
- Bicycle Rentals, Kensington - Bike Rental
- Bicycle Repair & Service, Kensington - Bike Repair Shops
- Billiard & Pool Parlors, Kensington
- Bistros, Kensington
- Blouses, Shirts & Sweater Manufacturers, Kensington
- Boating & Swimming Clubs, Kensington
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- Boiler - New & Used, Kensington - Radiant Heating
- Bonds, Kensington
- Book Stores, Kensington
- Bookcases & Bookstands, Kensington
- Books, Magazines & Newspapers Stores, Kensington - Bookstores
- Boutiques & Boutique Items, Kensington
- Breakfast Restaurants, Kensington
- Builders & Contractors, Kensington
- Builders & Contractors - More, Kensington
- Building & House Movers & Raising Contractors, Kensington
- Building Construction Consultants, Kensington - Construction Management & Consulting
- Building Hardware & Materials, Kensington
- Building Materials, Kensington - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Kensington
- Building Restoration & Preservation, Kensington
- Burglar & Alarm Service, Kensington - Monitoring Service
- Burglar Alarm Systems, Kensington
- Bus Rental & Charter Bus Service, Kensington
- Business & Professional Associations, Kensington
- Business & Trade Organizations, Kensington
- Business Brokers, Kensington
- Business Communication Consultants, Kensington
- Business Insurance, Kensington
- Business Legal Services, Kensington
- Business Machines Repair, Kensington
- Business Management Consultants, Kensington
- Business Services, Kensington
- Business, Vocational & Technical, Kensington
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