| YES IT Labs, LLC | |
| Yes To Apps | Georgia |
| Yes& Holdings, LLC | Virginia |
| Yes-Tech Corporation | Minnesota |
| YesChat | |
| Yeshiva University | New York |
| YeshivaNet | New York |
| Yeshvik Solutions, LLC | |
| Yesterday's Business Computers, Inc. | New Jersey |
| Yesware, Inc. | California |
| Yet Another Perl Conference | Pennsylvania |
| Yeti | California |
| Yext | New York |
| YFS Magazine | New York |
| YGION Biomedical GmH | |
| YHD SoftWare | Texas |
| Yield Book | New York |
| Yieldify | New York |
| YieldStreet, Inc. | New York |
| yieldWerx | Illinois |
| YieldX Advisers, LLC | Florida |
| Yii PHP Framework | District of Columbia |
| Yikes, Inc. | Pennsylvania |
| Yinuoke, Inc. | |
| YipitData | |
| Yippa | Washington |
| Yippy, LLC | |
| Yiviva | New York |
| YiZRi, LLC | Vermont |
| YK Communications | Texas |
| YL Ventures GP Ltd | California |
| YL&A | Illinois |
| YlliB, Inc. | New York |
| YLW | New Jersey |
| YMC America, Inc. | Massachusetts |
| YNAB | |
| YNB | |
| Yoakum National Bank | |
| Yobe, Inc. | Massachusetts |
| Yobi | California |
| Yocom & McKee | Colorado |
| Yodel.io | |
| Yodle | New York |
| Yodlee, Inc. | California |
| Yoeyo Ltd | New York |
| Yofitech, LLC | New York |
| Yogi Consulting, LLC | Florida |
| Yoh Serivces, LLC | New York |
| Yohei | Washington |
| Yojna Software | Michigan |