| Tutoring | 471 |
| Tuxedos | 472 |
| Typesetting | 472 |
| Typewriters-Repairing | 472 |
| Typing Service | 472 |
| U |
| Uniforms | 472 |
| Uniforms-Mfrs | 472 |
| Uniforms-Whsle | 472 |
| Upholsterers | 472 |
| Upholsterers’ Supplies | 472 |
| V |
| Vacuum Cleaners-Household-Dealers | 472 |
| Vacuum Cleaners-Industrial & Commercial | 472 |
| Vacuum Cleaners-Service & Repair | 472 |
| Vacuum Cleaning-Industrial | 473 |
| Valet Service | 473 |
| Valves | 473 |
| Valves-Whsle & Mfrs | 473 |
| Vehicle Monitoring & Tracking | 473 |
| Vending Carts | 473 |
| Vending Machines | 473 |
| Veterans’ & Military Organizations | 473 |
| Veterinarian Emergency Service | 473 |
| Veterinarians-DVM | 474 |
| Video Equipment-Renting & Leasing | 474 |
| Video Games-Dealers | 474 |
| Video Production Services | 474 |
| Video Recorders & Players-Renting & Leasing | 475 |
| Videotape Duplication & Transfer Service | 475 |
| Videotapes & Discs-Sales & Rentals | 475 |
| Vitamins & Food Supplements | 475 |
| Voice Messaging Equipment & Services | 475 |
| W |
| Wallpaper Hangers & Removers | 475 |
| Wallpapers & Wallcoverings | 475 |
| Warehouses-Cold Storage | 476 |
| Warehouses-Commodity & Merchandise | 476 |
| Washing Machines & Dryers | 476 |
| Washing Machines & Dryers-Coin Metered | 476 |
| Washing Machines & Dryers-Service & Repair | 476 |
| Waste Containers | 476 |
| Waste Reduction, Disposal & Recycling Service- | 476 |
| Industrial |
| Wastepaper | 477 |
| Watches-Dealers | 477 |
| Watches-Service & Repair | 477 |
| Water Companies-Bottled, Bulk, Etc | 477 |
| Water Companies-Utility | 477 |
| Water Consultants | 477 |
| Water Coolers | 477 |
| Water Damage Restoration | 477 |
| Water Filters & Purifiers | 477 |
| Water Gardens | 477 |