- Bakeries, Wellesley Hills
- Ballroom Dance Hall, Wellesley Hills
- Banks, Wellesley Hills
- Banquet Halls, Wellesley Hills
- Barbers, Wellesley Hills
- Beaded Goods, Wellesley Hills
- Beauty Salons, Wellesley Hills
- Bonds, Wellesley Hills
- Books, Magazines & Newspapers Stores, Wellesley Hills - Bookstores
- Builders & Contractors, Wellesley Hills
- Building & Home Inspection, Wellesley Hills - Real Estate, Building, Land & House Inspection Service
- Building & Property Maintenance & Services, Wellesley Hills
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- Building Code & Zoning Consultants, Wellesley Hills
- Building Construction Consultants, Wellesley Hills - Construction Management & Consulting
- Building Materials & Supplies, Wellesley Hills
- Burglar Alarm Systems, Wellesley Hills
- Business & Professional Associations, Wellesley Hills
- Business & Trade Organizations, Wellesley Hills
- Business Brokers, Wellesley Hills
- Business Legal Services, Wellesley Hills
- Business Management Consultants, Wellesley Hills
- Business Services, Wellesley Hills
- Business, Vocational & Technical, Wellesley Hills
- Butchers & Meat Markets - Manufacturers, Wellesley Hills
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