| Yahoo, Inc. | |
| Yahya Technologies, LLC | Maryland |
| Yakabod | Maryland |
| Yakima Federal Savings | |
| Yakima Valley College | |
| Yakindo Web Designs, Inc. | Washington |
| Yakshna Solutions, Inc. | Virginia |
| Yale Medicine | |
| Yale Quantum Institute | Connecticut |
| Yale Street Creative | Texas |
| Yale University | Connecticut |
| Yale University - Center for Medical Informatics | Connecticut |
| Yale University - Department of Computer Science | Connecticut |
| Yale University - Department of Statistics and Data Science | |
| Yale University - Mathematics Department | Connecticut |
| Yalent | |
| Yalochat, Inc. | California |
| Yambla, Inc. | California |
| Yampa Valley Bank | |
| Yamtech, inc. | Illinois |
| YAN Engines, Inc. | |
| Yaney Marketing, Inc. | Indiana |
| Yantra | |
| YantraNet, Inc. | Connecticut |
| Yapp, Inc. | New York |
| Yapstone, Inc. | |
| Yapta, Inc. | Washington |
| Yard Management Solutions | Michigan |
| Yardi Kube | California |
| Yardi Systems, Inc. | California |
| YARDZ Technologies, Inc. | |
| Yarseo, LLC | Indiana |
| YASH Technologies | Nebraska |
| Yaskawa America, Inc. | Illinois |
| Yasm Modular Assembler | Pennsylvania |
| Yaso Therapeutics | |
| Yaso Therapeutics, Inc. | Texas |
| Yatiri Bio | California |
| Yavapai College | |
| Yawl Sourcinginc, Inc. | New York |
| Yay.com | New York |
| Yaypay, Inc. | New York |
| ybot International, Inc. | Florida |
| YBY Computers | New York |
| YCD Multimedia | New York |
| Ycenter | Pennsylvania |
| YCharts, Inc. | Illinois |
| Yclas | |
| YCS PR Corporation | Puerto Rico |
| YData | Washington |