- Bagels, Newton Center
- Bakeries, Newton Center
- Baking Supplies & Needs, Newton Center - Flavoring Extracts, Flour & More
- Ballroom Dance Hall, Newton Center
- Banks, Newton Center
- Baptist Churches, Newton Center
- Barber Shop & Beauty Salon Supplies & Equipment, Newton Center - Beauty & Barber Supplies
- Barber Shops, Newton Center
- Barbers, Newton Center
- Bars & Grills, Newton Center
- Barter & Trade Exchanges, Newton Center
- Baseball Cards & Sports Memorabilia, Newton Center
- Beauty Salons, Newton Center
- Bedroom Furniture Stores, Newton Center - Master & Kids Bedroom Furniture Sets & Beds
- Beer & Wine Stores, Newton Center
- Bistros, Newton Center
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- Blind Organizations, Newton Center
- Book Stores, Newton Center
- Books, Magazines & Newspapers Stores, Newton Center - Bookstores
- Boutiques & Boutique Items, Newton Center
- Brake Service & Repair, Newton Center - Brake Pads
- Brick Masonry & Bricklayer Contractors, Newton Center - Brick Mason - Install & Repair
- Builders & Contractors, Newton Center
- Builders & Contractors - More, Newton Center
- Builders Hardware Stores, Newton Center
- Building Construction Consultants, Newton Center - Construction Management & Consulting
- Building Materials & Supplies, Newton Center
- Business & Professional Associations, Newton Center
- Business Legal Services, Newton Center
- Business Management Consultants, Newton Center
- Business Services, Newton Center
- Business, Vocational & Technical, Newton Center
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