- Banks, Mascoutah
- Baptist Churches, Mascoutah
- Barber Shops, Mascoutah
- Barbers, Mascoutah
- Bars, Mascoutah
- Bars & Grills, Mascoutah
- Beach & Water Related Services, Mascoutah
- Beauty Salons, Mascoutah
- Beer Taverns, Mascoutah
- Boat Services, Mascoutah
- Boiler & Furnace Contractors, Mascoutah - Installation, Cleaning & Repair Services
- Bonds, Mascoutah
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- Bowling Centers, Mascoutah
- Brake Service & Repair, Mascoutah - Brake Pads
- Breakfast Restaurants, Mascoutah
- Builders & Contractors, Mascoutah
- Builders & Contractors - More, Mascoutah
- Builders Hardware Stores, Mascoutah
- Building Construction Consultants, Mascoutah - Construction Management & Consulting
- Building Materials, Mascoutah - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Mascoutah
- Business & Professional Associations, Mascoutah
- Business Legal Services, Mascoutah
- Business Services, Mascoutah
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