| Walla Walla University Department of Mathematics | Washington |
| Walla Walla Web Weavers | Washington |
| Wallaby Medical | California |
| Wallace Electronics | Texas |
| Wallace Software Solutions | Rhode Island |
| Wallace Telecommunications, Inc. | North Carolina |
| Wallarm, Inc. | California |
| Wallaroo Media | Utah |
| Wallaroo.AI | New York |
| Wallet Studio | |
| WalletFinder.ai, LLC | |
| Wallex | Connecticut |
| Walleye Capital | New York |
| Wallingford Computer Services | Texas |
| Wallkill Valley Federal Savings & Loan | |
| WallPost | California |
| WallPost Software | |
| Walltik | |
| Walmart Global Tech | Arkansas |
| Walnai, LLC | |
| Walnut Financial, Inc. | New York |
| Walnut Hill Design | New Hampshire |
| Walnut Venture Associates | Massachusetts |
| Walnut, Inc. | New York |
| Walrus Labs, Inc. | California |
| Walsh College | Michigan |
| Walsh University | Ohio |
| Walther Cancer Foundation | |
| Walton Dell | Arizona |
| Walton Street Web Design | Illinois |
| Walturn, LLC | |
| Waltz Business Solutions, Inc. | Kentucky |
| Waltz Health | Illinois |
| Walz Tetrick Advertising | |
| Wam Commerce | Texas |
| WAM Software, Inc. | Nevada |
| Wamba World | Arizona |
| Wambatech, Inc. | Michigan |
| Wamego Telephone Company, Inc. | Kansas |
| WAMS, Inc. | California |
| WAND Corporation | Minnesota |
| Wand Partners, Inc. | |
| Wand Solutions, Inc. | Wyoming |
| Wand Synthesis AI, Inc. | |
| Wandake | California |
| Wander.com, Inc. | |
| Wandering WiFi, LLC | Georgia |
| Wanderlog | California |
| Wanderu, Inc. | Massachusetts |
| WANdisco | California |