- Warehousing & Storage, Oakland - Warehouse Services
- Waste & Refuse Services & Sites, Oakland
- Watch Repair, Oakland
- Watch, Clock & Jewelry Repair, Oakland
- Water Coolers & Water Companies - Bottled & Bulk, Oakland
- Water Transportation, Except Passenger, Oakland
- Water Treatment & Conditioning Systems, Equipment & Supplies, Oakland - Water Softener Companies
- Water Well Drilling Contractors, Oakland
- Weapons Guns & Knives, Oakland
- Wedding & Bridal Services, Oakland
- Wedding Supplies & Bridal Shops, Oakland
- Welding & Welder, Oakland - Welding Supplies, Machines, Equipment, Services & Contractors
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- Well Drilling Contractors, Oakland
- Wheelchairs, Oakland
- Wheelchairs Ramps, Lift & Scooters, Oakland
- Windmills, Oakland
- Window Blinds - Venetian, Mini, Vertical, Roman, Oakland - Fabric, Roller, Bamboo & Wood Blinds
- Window Blinds, Shades & Window Treatments and Coverings, Oakland - Roller & Roman Shades - Wood, Metal & Vertical Blinds
- Windows and Doors, Oakland - Wholesale, Manufacturers & Suppliers
- Women s Clothing Stores, Oakland - Clothes & Accessories
- Women's Fashion Accessories, Oakland - Handbags, Wallets, Scarves, Belts, Necklace, Bracelets, Earrings and more
- Womens Organizations, Oakland
- Woodworking Contractors, Oakland - Carpentry Contractors
- Wound Care Doctors, Oakland - Physicians & Surgeons
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