- Bakeries, Martinsburg
- Balloons, Martinsburg
- Banks, Martinsburg
- Baptist Churches, Martinsburg
- Barbers, Martinsburg
- Beauty Salons, Martinsburg
- Bistros, Martinsburg
- Book Stores, Martinsburg
- Books, Magazines & Newspapers Stores, Martinsburg - Bookstores
- Bowling Centers, Martinsburg
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- Brethren Church, Martinsburg
- Builders & Contractors, Martinsburg
- Builders & Contractors - More, Martinsburg
- Builders Hardware Stores, Martinsburg
- Building Materials, Martinsburg - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Martinsburg
- Business & Professional Associations, Martinsburg
- Business Legal Services, Martinsburg
- Business Services, Martinsburg
- Butcher Shops, Martinsburg
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