- Bail Bonds, Moundsville
- Bakeries, Moundsville
- Bankruptcy Attorneys & Lawyers, Moundsville
- Bankruptcy Attorneys & Lawyers, Moundsville
- Bankruptcy Lawyers & Attorneys, Moundsville
- Banks, Moundsville
- Banquet Halls, Moundsville
- Baptist Churches, Moundsville
- Barber Shops, Moundsville
- Barbers, Moundsville
- Bars, Moundsville
- Bars & Grills, Moundsville
- Basement Waterproofing - Waterproofing Contractors, Moundsville - Foundation & Concrete Waterproofing
- Battery, Moundsville - Retail Batteries Stores
- Battery Storage, Moundsville
- Beauty Salons, Moundsville
- Bedroom Furniture Stores, Moundsville - Master & Kids Bedroom Furniture Sets & Beds
- Beer Taverns, Moundsville
- Beverage & Juice Bottlers Manufacturers, Moundsville
- Beverage Non-Alcoholic Manufacturers, Moundsville
- Bird Repellent, Barrier & Control, Moundsville
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- Blasting Contractors Supplies & Equipment, Moundsville
- Bottling Manufacturing, Moundsville
- Brake Service & Repair, Moundsville - Brake Pads
- Brakes & Brake Parts, Moundsville - Brake Pads, Rotors, Calipers, Lines, etc
- Breakfast Restaurants, Moundsville
- Bricks, Blocks & Stone Products, Moundsville - Companies, Wholesale, Manufacturers & Suppliers
- Buffet Restaurants, Moundsville
- Builders & Contractors, Moundsville
- Builders & Contractors - More, Moundsville
- Builders Hardware Stores, Moundsville
- Building Construction Consultants, Moundsville - Construction Management & Consulting
- Building Materials, Moundsville - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Moundsville
- Building Site Preparation Contractors, Moundsville - Land Preparation & Land Clearing
- Burglar & Alarm Service, Moundsville - Monitoring Service
- Burglar Alarm Systems, Moundsville
- Business & Professional Associations, Moundsville
- Business Legal Services, Moundsville
- Business Services, Moundsville
- Business, Vocational & Technical, Moundsville
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