| Abbreviation | Definition |
|---|---|
| WBX | Worldprofit Banner Exchange |
| WBY | Wild Blue Yonder |
| WBYB | We Build Your Business |
| WBYW | Wind Beneath Your Wings |
| WC | Wicked Clownz |
| WC | Willman Company |
| WC | Wine Centre |
| WC | World Craft |
| WCA | Washington Counseling Association |
| WCA | Western Commercial Art (Company) |
| WCAA | Workers' Compensation Reinsurance Association |
| WCAH | West Coast Affordable Housing |
| WCAH | Westhoff, Cone, and Holmstedt |
| WCAH | Worldwide Cleaning And Hygienic Lab |
| WCAH | Worldwide Cleaning And Hygienic Laboratory |
| WCAI | Wateree Community Actions Inc |
| WCAI | Wireless Communications Association International |
| WCAR | Williamson County Association of Realtors |
| WCAS | West Coast Analytical Service |
| WCB | Wolf Creek Broadcasting |