- Baha'i Church, East Patchogue
- Bakeries, East Patchogue
- Baptist Churches, East Patchogue
- Barbers, East Patchogue
- Bars, East Patchogue
- Bars & Grills, East Patchogue
- Beach & Water Related Services, East Patchogue
- Beauty Salons, East Patchogue
- Bird Repellent, Barrier & Control, East Patchogue
- Blueprint Service, East Patchogue - Blueprinting Services
- Boat & Yacht Brokers, East Patchogue
- Boat Maintenance, East Patchogue
- Boat Services, East Patchogue
- Boat Storage , East Patchogue - Equipment & Services
- Boating & Swimming Clubs, East Patchogue
- Boats & Yachts, East Patchogue - Yachts, Sailboats & Boats for Sale
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- Brick Masonry & Bricklayer Contractors, East Patchogue - Brick Mason - Install & Repair
- Builders & Contractors, East Patchogue
- Builders & Contractors - More, East Patchogue
- Building & Home Inspection, East Patchogue - Real Estate, Building, Land & House Inspection Service
- Building & Property Maintenance & Services, East Patchogue
- Building Construction Consultants, East Patchogue - Construction Management & Consulting
- Building Materials, East Patchogue - Wholesale, Manufacturers, Dealers & Suppliers
- Building Materials & Supplies, East Patchogue
- Building Site Preparation Contractors, East Patchogue - Land Preparation & Land Clearing
- Business & Professional Associations, East Patchogue
- Business Brokers, East Patchogue
- Business Communication Consultants, East Patchogue
- Business Legal Services, East Patchogue
- Business Services, East Patchogue
- Business, Vocational & Technical, East Patchogue
- Butcher Shops, East Patchogue
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