| WonderWebUSA.com | California |
| Wondr Health | Texas |
| Wonolo, Inc. | California |
| Wonsulting | California |
| Woo.io | California |
| Wood & Huston Bank | |
| Wood Street, Inc. | Maryland |
| Woodbourne Solutions, Inc. | Maryland |
| WoodBows | |
| Woodbury University | |
| Woodforest National Bank | |
| Woodland Community College | |
| Woodlands Bank | |
| Woodlands National Bank | |
| Woodpile Studios, Inc. | Virginia |
| Woods Computer Consulting, LLC | Pennsylvania |
| Woods Hole Oceanographic Institution | |
| Woodsville Guaranty Savings Bank | |
| WoodTrust Bank | |
| Woodward Asset Capital, LLC | Michigan |
| WoodWare Systems | Tennessee |
| Woodwell Climate Research Center | |
| WoofersEtc | California |
| Woojer USA, Inc. | California |
| Woollybear Web | New York |
| Woolsey Pharmaceuticals, Inc. | |
| Wooly Mammoth Design | Minnesota |
| Woopra, Inc. | California |
| Wooqer | |
| Woosper | |
| Wooter, LLC | New York |
| Wor-Wic Community College | |
| WoraPay | |
| Worcester Credit Union | |
| Worcester Linux Users' Group | Massachusetts |
| Worcester Polytechnic Engineering - Electrical & Computer Engineering | Massachusetts |
| Worcester Polytechnic Institute | Massachusetts |
| Worcester Polytechnic Institute - Computer Science | Massachusetts |
| Worcester Polytechnic Institute - FIRST Robotics Resource Center | Massachusetts |
| Worcester Polytechnic Institute - Mathematical Sciences | Massachusetts |
| Worcester Sate University | |
| Worcester State University - Computer Science | Massachusetts |
| WorcLab | Massachusetts |
| Word Business Design, LLC | Oregon |
| Word to the Wise, LLC | California |
| WORD Web Design | |
| Word Works | Texas |
| Word-Tech, Inc. | Kansas |
| WordAI | Maryland |
| Wordbank | Colorado |