| Xxela Marketing Services, Inc. | Georgia |
| XXIIBrands | |
| XY Labs, Inc. | California |
| xy.consulting, LLC | Indiana |
| Xyber Technology | |
| Xybion Corporation | New Jersey |
| Xylem, Inc. | |
| Xylo AI | |
| Xylo Technologies | Minnesota |
| XyloCor Therapeutics | Pennsylvania |
| Xylyx Bio, Inc. | New York |
| Xymox Technologies, Inc. | Wisconsin |
| Xynergy, Inc. | New Mexico |
| Xyntec Automation, Inc. | Virginia |
| Xyphos Biosciences, Inc. | California |
| Xyples, LLC | Texas |
| XYPRO Technology Corporation | California |
| XYRA, LLC | |
| Xytech Systems Corporation | California |
| XYverify Corporation | New York |
| XYZ | Nevada |
| XYZ Advantage | Colorado |
| XYZ Automation, Inc. | Alabama |
| XYZ Venture Capital | |
| XZ Backup | Florida |
| Xzibition Data Communications | Minnesota |
| Xzito Creative Solutions, LLC | Rhode Island |
| Y & M Computer Solutions | California |
| Y Combinator | California |
| Y Media Labs | California |
| Y Scouts | Arizona |
| Y-12 Federal Credit Union | |
| Y-mAbs Therapeutics, Inc. | New York |
| Y-Trap, Inc. | California |
| Y2Payments | Arizona |
| Yaara, Inc. | Delaware |
| Yabdab, Inc. | Georgia |
| Yabla, Inc. | New York |
| Yac, Inc. | |
| Yacht Controller, LLC | Florida |
| YadaHome.com, LLC | District of Columbia |
| Yadtel | North Carolina |
| Yadu Digital, Inc. | Indiana |
| Yae Labs, Inc. | |
| Yaesu USA | California |
| Yagna iQ | Texas |
| Yahara Software | Wisconsin |
| Yahoo | California |
| Yahoo Developer Network | California |
| Yahoo! Research | California |