- Bail Bonds, Smithville
- Bakeries, Smithville
- Banks, Smithville
- Baptist Churches, Smithville
- Barber Shops, Smithville
- Barbers, Smithville
- Bars & Grills, Smithville
- Beauty Salons, Smithville
- Boat Covers, Tops & Upholstery, Smithville
- Boat Services, Smithville
- Boats & Yachts, Smithville - Yachts, Sailboats & Boats for Sale
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- Bridge, Tunnel & Elevated Highway Construction, Smithville - Highway, Street And Bridge Contractors
- Builders & Contractors, Smithville
- Builders & Contractors - More, Smithville
- Builders Hardware Stores, Smithville
- Building Hardware & Materials, Smithville
- Building Materials, Smithville - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Smithville
- Business & Professional Associations, Smithville
- Business Legal Services, Smithville
- Business Services, Smithville
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