- Bakeries, Middleville
- Banks, Middleville
- Baptist Churches, Middleville
- Bars, Middleville
- Bars & Grills, Middleville
- Beauty Salons, Middleville
- Beer Taverns, Middleville
- Bistros, Middleville
- Boat Services, Middleville
- Boiler & Furnace Contractors, Middleville - Installation, Cleaning & Repair Services
- Boiler Repair & Cleaning, Middleville
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- Builders & Contractors, Middleville
- Builders & Contractors - More, Middleville
- Building Construction Consultants, Middleville - Construction Management & Consulting
- Building Hardware & Materials, Middleville
- Building Materials & Supplies, Middleville
- Bulldozer, Middleville
- Business & Professional Associations, Middleville
- Business Legal Services, Middleville
- Business Services, Middleville
- Business, Vocational & Technical, Middleville
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