- Warehousing & Storage, Tonawanda - Warehouse Services
- Waste & Refuse Services & Sites, Tonawanda
- Waste Water Treatment, Tonawanda
- Water Coolers & Water Companies - Bottled & Bulk, Tonawanda
- Water Filters & Purification Systems, Equipment & Supplies, Tonawanda - Water Filtration Systems Companies
- Water Transportation, Except Passenger, Tonawanda
- Water Treatment & Conditioning Systems, Equipment & Supplies, Tonawanda - Water Softener Companies
- Water, Sewer & Utility Line Contractors, Tonawanda - Installation & Repair Services
- Weapons Guns & Knives, Tonawanda
- Website Design, Management & Maintenance Services, Tonawanda
- Wedding Dresses & Bridal Gowns, Tonawanda
- Wedding Gown Cleaning, Tonawanda
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- Wedding Gown Preservation, Tonawanda
- Wedding Supplies & Bridal Shops, Tonawanda
- Welding & Welder, Tonawanda - Welding Supplies, Machines, Equipment, Services & Contractors
- Windows, Tonawanda - Single & Double Hung, Casement, Sliding, Glass Block, Basement Windows & More
- Windows and Doors, Tonawanda - Wholesale, Manufacturers & Suppliers
- Windshield Wipers, Tonawanda
- Wire Conduit & Cable, Tonawanda
- Women s Clothing Stores, Tonawanda - Clothes & Accessories
- Women's Fashion Accessories, Tonawanda - Handbags, Wallets, Scarves, Belts, Necklace, Bracelets, Earrings and more
- Woodworking Contractors, Tonawanda - Carpentry Contractors
- Wrecking & Demolition Contractors, Tonawanda - House & Building Demolition Companies
- Writing Services, Tonawanda
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