| Zel Technologies, LLC | |
| Zelacom EP, LLC | New York |
| Zelar Soft | California |
| Zelda Universe Network | California |
| Zelen Communications, Inc. | Florida |
| Zelfanet | New Jersey |
| Zeli Systems | Texas |
| Zelifcam | |
| Zelig | California |
| Zeliq | New York |
| Zelis | Massachusetts |
| Zelkom, LLC | |
| Zelkova Ventures | New York |
| Zella Technologies | Louisiana |
| Zellmer Marketing, LLC | Indiana |
| Zello, Inc. | Texas |
| Zelos | California |
| ZelosDx | Arizona |
| Zelta Design Services, LLC | |
| Zema Global | |
| Zemax | Washington |
| Zemax Capital Funding, LLC | Pennsylvania |
| Zembula, Inc. | Oregon |
| Zemfar Solution (IT Consultancy, LLC) | |
| Zen 4 Dummies | Arizona |
| Zen Cart | Oregon |
| Zen Creations Design Studio | Virginia |
| Zen Den Web Design | California |
| Zen Design Group | Michigan |
| Zen Ecosystems | |
| Zen Lunatics | Arizona |
| Zen Planner, LLC | Colorado |
| Zen Software Solutions, Inc. | Missouri |
| Zen Techworks, Inc. | Washington |
| Zen Web Media | California |
| Zen.digital | |
| ZenaComp, Inc. | Michigan |
| Zenapply | Utah |
| Zenas BioPharma, Inc. | Massachusetts |
| ZenBio, Inc. | North Carolina |
| ZenBusiness, Inc. | |
| Zencastmedia, LLC | California |
| Zencoder | California |
| Zencore Biologics | Maryland |
| Zencos | North Carolina |
| Zend | California |
| Zendar, Inc. | |
| Zendata | |
| Zendesk | California |
| Zendevr | |