| Tutoring | 877 |
| Tuxedos | 877 |
| Twines & Cordage | 877 |
| Typing Service | 877 |
| U |
| Uniform Supply Service | 877 |
| Uniforms | 878 |
| Upholsterers | 878 |
| Upholstery Fabrics | 878 |
| Utility Contractors | 878 |
| Utility Management | 878 |
| V |
| Vacuum Cleaners-Household-Dealers | 879 |
| Vacuum Cleaners-Industrial & Commercial | 879 |
| Vacuum Cleaners-Service & Repair | 879 |
| Vacuum Cleaners-Supplies & Parts | 879 |
| Vacuum Cleaning Systems | 879 |
| Vacuum Cleaning-Industrial | 879 |
| Valves | 879 |
| Van & Truck Conversions & Accessories | 880 |
| Variety Store Merchandise-Whsle | 880 |
| Variety Stores | 880 |
| Vending Machines | 880 |
| Ventilating Systems-Cleaning | 880 |
| Veterans’ & Military Organizations | 880 |
| Veterinarian Emergency Service | 880 |
| Veterinarians-DVM | 881 |
| Veterinarians-DVM-Dentistry | 885 |
| Veterinarians’ Equipment & Supplies | 886 |
| Veterinarians-DVM-Surgeons | 886 |
| Veterinary Hospitals | 886 |
| Vibration Control | 886 |
| Vibrators-Industrial | 886 |
| Video Equipment-Consumer | 886 |
| Video Equipment-Dealers | 886 |
| Video Equipment-Renting & Leasing | 886 |
| Video Equipment-Whsle & Mfrs | 886 |
| Video Games-Dealers | 886 |
| Video Games-Renting & Leasing | 886 |
| Video Production Services | 886 |
| Videotape Duplication & Transfer Service | 886 |
| Videotapes & Discs-Sales & Rentals | 887 |
| Vinyl | 887 |
| Vinyl Repair Service | 887 |
| Violins | 887 |
| Vitamins & Food Supplements | 887 |
| W |
| Wallcovering-Contractors-Equipment & Supplies | 887 |
| Wallpaper Hangers & Removers | 887 |
| Wallpapers & Wallcoverings | 887 |
| Warehouses-Commodity & Merchandise | 888 |
| Warehouses-Household Goods | 889 |
| Washing Machines & Dryers | 889 |
| Washing Machines & Dryers-Coin Metered | 889 |
| Washing Machines & Dryers-Renting & Leasing | 889 |
| Washing Machines & Dryers-Service & Repair | 889 |
| Washing Machines & Dryers-Supplies & Parts | 890 |
| Waste Containers | 890 |
| Waste Reduction, Disposal & Recycling | 890 |
| Equipment |