| Videotapes & Discs-Sales & Rentals | 588 |
| Videotaping & Production Services | 588 |
| Vinyl | 588 |
| Vitamins & Food Supplements | 588 |
| W |
| Wallboard & Plasterboard | 588 |
| Wallpaper Hangers & Removers | 588 |
| Wallpapers & Wallcoverings | 588 |
| Warehouses-Commodity & Merchandise | 588 |
| Warehouses-Household Goods | 588 |
| Warehouses-Leasing | 589 |
| Washaterias | 589 |
| Washing Machines & Dryers | 589 |
| Washing Machines & Dryers-Coin Metered | 589 |
| Washing Machines & Dryers-Renting & Leasing | 589 |
| Washing Machines & Dryers-Service & Repair | 589 |
| Washing Machines & Dryers-Supplies & Parts | 589 |
| Waste Reduction Consultants | 589 |
| Waste Reduction, Disposal & Recycling | 589 |
| Equipment-Industrial |
| Waste Reduction, Disposal & Recycling Service | 589 |
| Waste Reduction, Disposal & Recycling Service- | 589 |
| Industrial |
| Wastepaper | 589 |
| Watches-Dealers | 589 |
| Watches-Service & Repair | 589 |
| Watchmen’s Clocks & Systems | 589 |
| Water Companies-Bottled, Bulk, Etc | 589 |
| Water Companies-Utility | 589 |
| Water Coolers | 589 |
| Water Coolers-Equipment & Supplies | 589 |
| Water Damage Restoration | 590 |
| Water Filters & Purifiers | 590 |
| Water Gardens | 590 |
| Water Heaters-Dealers | 590 |
| Water Heaters-Repairing | 590 |
| Water Main Contractors | 590 |
| Water Purification-Chemical | 590 |
| Water Treatment Equipment, Service & Supplies | 590 |
| Watercraft-Personal-Dealers | 590 |
| Waterproofing Contractors | 590 |
| Waterproofing Materials | 591 |
| Web Site Design | 591 |
| Web Site Hosting | 591 |
| Wedding Chapels & Facilities | 591 |
| Wedding Consultants | 591 |
| Wedding Receptions | 592 |
| Wedding Supplies & Services | 593 |
| Weighers | 594 |
| Weight Control Services | 594 |
| Welding | 594 |
| Welding Equipment & Supplies | 595 |
| Welding Equipment-Renting | 595 |
| Welding Equipment-Repairing | 595 |
| Western Apparel | 595 |
| Wetlands-Consultants | 595 |
| Wheel Alignment, Frame & Axle- Servicing- | 596 |
| Automotive |
| Wheelchair & Invalid Transportation | 596 |
| Wheelchair Lifts & Ramps | 596 |
| Wheelchairs | 596 |
| Wheelchairs-Renting | 596 |
| Wheels | 597 |
| Whirlpool Bath Equipment Supplies, Service & | 597 |
| Repair |
| Wigs & Hairpieces | 597 |