| Typewriters | 934 |
| Typewriters-Repairing | 934 |
| Typing Service | 934 |
| U |
| Umbrellas | 934 |
| Uniform Supply Service | 934 |
| Uniforms | 934 |
| Uniforms-Accessories | 934 |
| Uniforms-Mfrs | 934 |
| Uniforms-Whsle | 934 |
| Upholsterers | 935 |
| Upholsterers’ Supplies | 935 |
| Upholstery Fabrics | 935 |
| Utility Contractors | 935 |
| V |
| Vacuum Cleaners-Household-Dealers | 935 |
| Vacuum Cleaners-Industrial & Commercial | 935 |
| Vacuum Cleaners-Service & Repair | 935 |
| Vacuum Cleaning-Industrial | 936 |
| Vacuum Equipment & Systems | 936 |
| Valet Service | 936 |
| Valves | 936 |
| Valves-Repairing | 936 |
| Valves-Whsle & Mfrs | 936 |
| Van & Truck Conversions & Accessories | 936 |
| Variable Speed Drives | 936 |
| Variety Store Merchandise-Whsle | 936 |
| Variety Stores | 936 |
| Vehicle Monitoring & Tracking | 936 |
| Vending Brokers | 936 |
| Vending Carts | 936 |
| Vending Machines | 936 |
| Vending Machines-Repairing | 936 |
| Vending Machines-Supplies & Parts | 936 |
| Vessels-Pressure | 937 |
| Veterans’ & Military Organizations | 937 |
| Veterinarian Emergency Service | 937 |
| Veterinarians-DVM | 937 |
| Veterinarians’ Equipment & Supplies | 940 |
| Veterinarians-DVM-Acupuncturists | 940 |
| Veterinarians-DVM-Dermatologists | 940 |
| Veterinarians-DVM-Ophthalmologists | 940 |
| Veterinarians-DVM-Surgeons | 940 |
| Video Equipment-Commercial | 940 |
| Video Equipment-Consumer | 940 |
| Video Equipment-Renting & Leasing | 940 |
| Video Equipment-Service & Repair | 940 |
| Video Games-Dealers | 940 |
| Video Games-Renting & Leasing | 941 |
| Video Games-Service & Repair | 941 |
| Video Poker-Equipment & Supplies | 941 |
| Video Poker-Establishments | 941 |
| Video Production Services | 941 |
| Video Recorders & Players-Renting & Leasing | 941 |
| Video Recorders & Players-Service & Repair | 941 |
| Video Recorders, Players & Equipment- Dealers | 941 |
| Videoconferencing Equipment & Services | 941 |
| Videotape Duplication & Transfer Service | 941 |
| Videotapes & Discs-Sales & Rentals | 942 |
| Vinyl Tile | 942 |
| Vitamins & Food Supplements | 942 |
| Voice Messaging Equipment & Services | 942 |