- Bakeries, Westport
- Banks, Westport
- Banquet Halls, Westport
- Baptist Churches, Westport
- Barber Shops, Westport
- Barbers, Westport
- Bars & Grills, Westport
- Basement Waterproofing - Waterproofing Contractors, Westport - Foundation & Concrete Waterproofing
- Beauty Salons, Westport
- Beverage Stores, Westport
- Bible Church, Westport
- Bicycle Rentals, Westport - Bike Rental
- Bicycle Repair & Service, Westport - Bike Repair Shops
- Binoculars & Telescopes, Westport
- Boat Services, Westport
- Boat Storage , Westport - Equipment & Services
- Boating & Swimming Clubs, Westport
- Bookkeeping Services Licensed, Westport
- Bookkeeping Systems & Services, Westport
- Boutiques & Boutique Items, Westport
- Bowling Centers, Westport
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- Brake Service & Repair, Westport - Brake Pads
- Breakfast Restaurants, Westport
- Brick Masonry & Bricklayer Contractors, Westport - Brick Mason - Install & Repair
- Bricks, Blocks & Stone Products, Westport - Companies, Wholesale, Manufacturers & Suppliers
- Builders & Contractors, Westport
- Builders & Contractors - More, Westport
- Builders Hardware Stores, Westport
- Building & Home Inspection, Westport - Real Estate, Building, Land & House Inspection Service
- Building Construction Consultants, Westport - Construction Management & Consulting
- Building Hardware & Materials, Westport
- Building Materials, Westport - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Westport
- Bus Lines, Westport - Bus Transportation
- Bus Lines Ticket Agencies, Westport
- Bus Rental & Charter Bus Service, Westport
- Business Brokers, Westport
- Business Forms, Systems & Supplies, Westport
- Business Legal Services, Westport
- Business Services, Westport
- Business, Vocational & Technical, Westport
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