- Baha'i Church, Sylvania
- Bakeries, Sylvania
- Bankruptcy Attorneys & Lawyers, Sylvania
- Bankruptcy Attorneys & Lawyers, Sylvania
- Bankruptcy Lawyers & Attorneys, Sylvania
- Banks, Sylvania
- Baptist Churches, Sylvania
- Barbecue Restaurants, Sylvania
- Barbers, Sylvania
- Bars & Grills, Sylvania
- Bearings, Sylvania
- Beauty Salons, Sylvania
- Behavioral Health Doctors, Physicians & Surgeons, Sylvania - Behavioral Medicine
- Bible Church, Sylvania
- Boats & Yachts, Sylvania - Yachts, Sailboats & Boats for Sale
- Boutiques & Boutique Items, Sylvania
- Brick Masonry & Bricklayer Contractors, Sylvania - Brick Mason - Install & Repair
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- Bridge, Tunnel & Elevated Highway Contractors, Sylvania
- Broker Consultants, Sylvania - Business Coaches & Consultants
- Builders & Contractors, Sylvania
- Builders & Contractors - More, Sylvania
- Builders Hardware Stores, Sylvania
- Building Hardware & Materials, Sylvania
- Building Materials, Sylvania - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Sylvania
- Bus Lines, Sylvania - Bus Transportation
- Bus Lines Ticket Agencies, Sylvania
- Bus Rental & Charter Bus Service, Sylvania
- Business & Professional Associations, Sylvania
- Business Brokers, Sylvania
- Business Legal Services, Sylvania
- Business Services, Sylvania
- Business, Vocational & Technical, Sylvania
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