| ZenPoint Solutions | Virginia |
| Zenput | California |
| ZenQ | Texas |
| ZenQMS, LLC | Pennsylvania |
| Zenresearch, Inc. | California |
| Zensoft | California |
| Zensoft, Inc. | Wisconsin |
| Zentail, Inc. | Maryland |
| Zentalis Pharmaceuticals | New York |
| Zentech Manufacturing, Inc. | Maryland |
| Zentech, Inc. | Texas |
| Zentera Systems, Inc. | California |
| Zentist | California |
| ZenTrades | New York |
| Zentro | Illinois |
| Zenus | |
| Zenware | Idaho |
| Zenysis Technologies | |
| Zeomega | Texas |
| Zeon Specialty Materials, Inc. | California |
| ZeonHost, Inc. | Colorado |
| Zepheira, LLC | Virginia |
| Zephyr AI | Virginia |
| Zephyr Project | |
| Zephyr Software | Texas |
| Zephyr Software, LLC | Virginia |
| ZephyrTec, Inc. | California |
| Zephyrtronics | California |
| Zephyrus Electronics Ltd | Oklahoma |
| Zeplin | |
| Zeplyn | |
| Zepps Home Computer Repair | Illinois |
| Zepteon, Inc. | Massachusetts |
| Zepto Life Technology, Inc. | Minnesota |
| ZEPTOLink | California |
| ZeptoMetrix, LLC | New York |
| Zequel | Florida |
| ZeraWare | New York |
| Zerigo Health | California |
| Zerion Software, Inc. | Virginia |
| Zero 8 Studios, Inc. | Nevada |
| Zero Access, Inc. | Illinois |
| Zero Defects International, LLC | California |
| Zero Gravity Marketing | |
| Zero Hash, LLC | Illinois |
| Zero Labs, Inc. | California |
| Zero Limits Ventures, LLC | Virginia |
| Zero Negative | Massachusetts |
| Zero Networks, Inc. | Florida |
| Zero One Entertainment | Pennsylvania |