- Warehousing & Storage, Houston - Warehouse Services
- Waste & Refuse Services & Sites, Houston
- Water Well Drilling Contractors, Houston
- Wedding Supplies & Bridal Shops, Houston
- Welding & Welder, Houston - Welding Supplies, Machines, Equipment, Services & Contractors
- Well Drilling Contractors, Houston
- Wireless & Cellular Communications Equipment & Supplies, Houston
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- Women s Clothing Stores, Houston - Clothes & Accessories
- Women's Fashion Accessories, Houston - Handbags, Wallets, Scarves, Belts, Necklace, Bracelets, Earrings and more
- Wood Carving & Turning Manufacturers, Houston
- Wood Products Manufacturers, Houston
- Woodworking Tools, Supplies, Machinery & Equipment , Houston
- Work, Utility & Commercial Vehicle Dealers, Houston
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