- Bail Bonds, Brownsville
- Bakeries, Brownsville
- Balloons - Novelty, Toy & Decorative, Brownsville
- Banks, Brownsville
- Banners, Flags, Pennants, Decals, Posters & Signs, Brownsville
- Banquet Halls, Brownsville
- Baptist Churches, Brownsville
- Barbecue Restaurants, Brownsville
- Barber Shops, Brownsville
- Battery, Brownsville - Retail Batteries Stores
- Battery Storage, Brownsville
- Beauty Salons, Brownsville
- Belting & Belting Supplies Wholesale, Brownsville
- Belting Supplies & Equipment, Brownsville
- Board Of Education, Brownsville
- Bonds Surety & Fidelity, Brownsville
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- Book Publishers, Brownsville - Book Printing & Publishing
- Bookkeeping Services Licensed, Brownsville
- Bookkeeping Systems & Services, Brownsville
- Builders & Contractors, Brownsville
- Builders & Contractors - More, Brownsville
- Building Construction Consultants, Brownsville - Construction Management & Consulting
- Building Hardware & Materials, Brownsville
- Building Materials, Brownsville - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, Brownsville
- Burglar Alarm Systems, Brownsville
- Business & Professional Associations, Brownsville
- Business Brokers, Brownsville
- Business Legal Services, Brownsville
- Business Management Consultants, Brownsville
- Business Services, Brownsville
- Business, Vocational & Technical, Brownsville
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