- Warehousing & Storage, Port Jefferson Station - Warehouse Services
- Waste & Refuse Services & Sites, Port Jefferson Station
- Waste Disposal, Garbage, Trash & Rubbish Removal Contractors Equipment, Port Jefferson Station
- Waste Management, Waste Sanitation & Safety Equipment, Port Jefferson Station
- Watch, Clock & Jewelry Repair, Port Jefferson Station
- Wedding & Bridal Services, Port Jefferson Station
- Wedding Ceremony Locations & Wedding Venues, Port Jefferson Station
- Wedding Planning & Consultants, Port Jefferson Station
- Welding & Welder, Port Jefferson Station - Welding Supplies, Machines, Equipment, Services & Contractors
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- Wheel Alignment, Frame & Axle Service & Repair, Port Jefferson Station
- Will And Trust Attorneys & Lawyers, Port Jefferson Station
- Window & Door - Installation & Repair, Port Jefferson Station - Install, Repair & Replace
- Windows, Port Jefferson Station - Single & Double Hung, Casement, Sliding, Glass Block, Basement Windows & More
- Windows and Doors, Port Jefferson Station - Wholesale, Manufacturers & Suppliers
- Wireless & Cellular Communications Equipment & Supplies, Port Jefferson Station
- Women s Clothing Stores, Port Jefferson Station - Clothes & Accessories
- Women's Fashion Accessories, Port Jefferson Station - Handbags, Wallets, Scarves, Belts, Necklace, Bracelets, Earrings and more
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