- Bakeries, East Rochester
- Ballet Companies, East Rochester
- Balloons - Advertising & Signage, East Rochester
- Bank Supplies & Equipment, East Rochester
- Banks, East Rochester
- Banquet Halls, East Rochester
- Baptist Churches, East Rochester
- Barbecue Restaurants, East Rochester
- Barbers, East Rochester
- Bars, East Rochester
- Bars & Grills, East Rochester
- Basement Waterproofing - Waterproofing Contractors, East Rochester - Foundation & Concrete Waterproofing
- Bathroom Remodeling, East Rochester - Bathroom Remodel & Planning Services
- Beads Decor, East Rochester
- Beauty Salons, East Rochester
- Beer Taverns, East Rochester
- Bistros, East Rochester
- Blasting Contractors Supplies & Equipment, East Rochester
- Board Of Education, East Rochester
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- Breakfast Restaurants, East Rochester
- Brick Masonry & Bricklayer Contractors, East Rochester - Brick Mason - Install & Repair
- Bryant Air Conditioning, East Rochester - Air Conditioner Contractors & Systems
- Builders & Contractors, East Rochester
- Builders & Contractors - More, East Rochester
- Building & Home Inspection, East Rochester - Real Estate, Building, Land & House Inspection Service
- Building Construction Consultants, East Rochester - Construction Management & Consulting
- Building Materials, East Rochester - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, East Rochester
- Building Site Preparation Contractors, East Rochester - Land Preparation & Land Clearing
- Burglar & Alarm Service, East Rochester - Monitoring Service
- Burglar Alarm Systems, East Rochester
- Business Communication Consultants, East Rochester
- Business Forms, Systems & Supplies, East Rochester
- Business Insurance, East Rochester
- Business Legal Services, East Rochester
- Business Services, East Rochester
- Business, Vocational & Technical, East Rochester
- Buttons Advertising, East Rochester
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