- Bail Bonds, Lexington
- Bakeries, Lexington
- Banks, Lexington
- Banquet Halls, Reception Halls & Party Facilities, Lexington
- Baptist Churches, Lexington
- Barbecue Restaurants, Lexington
- Barber Schools, Lexington
- Barber Shops, Lexington
- Barbers, Lexington
- Bars, Lexington
- Bars & Grills, Lexington
- Battery, Lexington - Retail Batteries Stores
- Battery Storage, Lexington
- Bearings, Lexington
- Beauty Salons, Lexington
- Beer & Wine Stores, Lexington
- Beverage & Juice Bottlers Manufacturers, Lexington
- Beverage Non-Alcoholic Manufacturers, Lexington
- Beverage Stores, Lexington
- Board Of Education, Lexington
- Boats & Yachts, Lexington - Yachts, Sailboats & Boats for Sale
- Bonds, Lexington
- Book Publishers, Lexington - Book Printing & Publishing
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- Books, Magazines & Newspapers Stores, Lexington - Bookstores
- Boots Retail, Lexington
- Bottling Manufacturing, Lexington
- Brake Service & Repair, Lexington - Brake Pads
- Breakfast Restaurants, Lexington
- Brew Pubs, Lexington
- Brick Masonry & Bricklayer Contractors, Lexington - Brick Mason - Install & Repair
- Builders & Contractors, Lexington
- Builders & Contractors - More, Lexington
- Builders Hardware Stores, Lexington
- Building Construction Consultants, Lexington - Construction Management & Consulting
- Building Hardware & Materials, Lexington
- Building Materials, Lexington - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Lexington
- Building Site Preparation Contractors, Lexington - Land Preparation & Land Clearing
- Burglar Alarm Systems, Lexington
- Bus Rental & Charter Bus Service, Lexington
- Business & Professional Associations, Lexington
- Business Insurance, Lexington
- Business Legal Services, Lexington
- Business Services, Lexington
- Business, Vocational & Technical, Lexington
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