| Wheelchair & Invalid Transportation | 954 |
| Wheelchair Lifts & Ramps | 955 |
| Wheelchairs | 955 |
| Wheelchairs-Renting | 955 |
| Wheels | 956 |
| Whirlpool Bath Equipment Supplies, Service & | 956 |
| Repair |
| Wigs & Hairpieces | 956 |
| Wildlife Management | 956 |
| Window Cleaning | 956 |
| Window Shades | 956 |
| Window Shades-Whsle & Mfrs | 956 |
| Window Tinting | 957 |
| Window Treatments | 957 |
| Windows | 957 |
| Windows-Repairing | 959 |
| Windows-Whsle | 959 |
| Windows-Wood | 959 |
| Windshield Repair | 959 |
| Wine Storage Equipment | 960 |
| Wines | 960 |
| Wines-Whsle | 960 |
| Wiping Cloths | 960 |
| Wire | 960 |
| Wire & Cable-Electric | 960 |
| Wire Harnesses-Electrical | 960 |
| Wire Products | 960 |
| Wire Rope | 960 |
| Wireless Phone Services | 960 |
| Women’s Apparel | 961 |
| Women’s Apparel-Whsle & Mfrs | 963 |
| Woodworking | 963 |
| Word Processing Systems-Consultants & | 963 |
| Designers |
| Work Clothing | 963 |
| Worker’s Compensation Consultants | 963 |
| Writers | 963 |
| X |
| X-Ray Apparatus & Supplies | 963 |
| X-Ray Laboratories-Industrial | 963 |
| X-Ray Laboratories-Medical & Dental | 963 |
| Y |
| Yacht & Boat Brokers | 963 |
| Yachts | 963 |
| Yarn | 963 |
| Yellow Pages Advertising | 964 |
| Yoga Instruction | 964 |
| Yogurt | 964 |
| Youth Organizations & Centers | 964 |
| Z |
| Zippers-Repairing | 965 |
| Zoning Consultants | 965 |
| Zoological Gardens | 965 |
| Zoos | 965 |