- Bakeries, Walkersville
- Banks, Walkersville
- Banquet Halls, Walkersville
- Baptist Churches, Walkersville
- Barbers, Walkersville
- Bars, Walkersville
- Basement Waterproofing - Waterproofing Contractors, Walkersville - Foundation & Concrete Waterproofing
- Beauty Salons, Walkersville
- Beer Taverns, Walkersville
- Bereavement Services, Walkersville
- Bowling Centers, Walkersville
- Brethren Church, Walkersville
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- Bricks, Blocks & Stone Products, Walkersville - Companies, Wholesale, Manufacturers & Suppliers
- Builders & Contractors, Walkersville
- Builders & Contractors - More, Walkersville
- Building Construction Consultants, Walkersville - Construction Management & Consulting
- Building Materials, Walkersville - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Walkersville
- Burglar Alarm Systems, Walkersville
- Business Insurance, Walkersville
- Business Legal Services, Walkersville
- Business Services, Walkersville
- Business, Vocational & Technical, Walkersville
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