| YPlasma | |
| YPulse | New York |
| YRG, Inc. | Indiana |
| Yrrid Software, Inc. | North Carolina |
| Ysais Digital Marketing, Inc. | Texas |
| YSMF, Inc. | Georgia |
| YT Solutions | California |
| YTI Career Institute | Pennsylvania |
| Yuba College | California |
| Yucca Telecommunications Systems, Inc. | New Mexico |
| YUGA ERP Computer Software Consultancy, LLC | |
| YugaByte, Inc. | California |
| Yugen.ai, Inc. | |
| YuJa | California |
| Yukon Medical | North Carolina |
| Yulan Studio | Oregon |
| Yuliya Shulman | |
| Yumasoft, Inc. | New York |
| Yumlish | California |
| Yummy Corporation | |
| Yummy Image Media, Inc. | Missouri |
| Yummy Marketing | |
| Yummy Wakame | Oregon |
| Yun Industrial | California |
| Yunik Digital Marketing | Florida |
| Yuno Tecnologías, S.A.P.I. de C.V. | New York |
| Yupp | California |
| YUR | California |
| Yurogen Biosystems | Massachusetts |
| Yurope Online Communications | California |
| Yurware | Michigan |
| Yutechs, LLC | |
| Yutori, Inc. | |
| Yuvan Research | California |
| Yuxi Global | |
| Yves Blue Corporation | New York |
| Yvonne Dale Graphics | Ohio |
| Yvonne San Luis Design | |
| yWhales | Missouri |
| YWTT, Inc. | Texas |
| Z and C Designs | Utah |
| Z Corp PR & Digital | |
| Z Nation Lab | California |
| Z Networks Group | Florida |
| Z Speed Technologies | Alabama |
| Z Systems, Inc. | Minnesota |
| Z Technologies, Inc. | Texas |
| Z Web Design | California |
| Z-AXIS Dimension, Inc. | California |
| Z-Axis, Inc. | New York |