| Z and C Designs | Utah |
| Z Nation Lab | California |
| Z Networks Group | Florida |
| Z Speed Technologies | Alabama |
| Z Systems, Inc. | |
| Z Technologies, Inc. | Texas |
| Z Web Design | California |
| Z-AXIS Dimension, Inc. | California |
| Z-Axis, Inc. | New York |
| Z-Card Ltd | New York |
| Z-Communications, Inc. | California |
| Z-Firm, LLC | Washington |
| Z-Graphics Studio | New York |
| Z-Micro Technologies, LLC | Arizona |
| Z-Park Silicon Valley | California |
| z-SofTech Solutions, LLC | District of Columbia |
| Z-SoftNet | Oregon |
| Z-Tech Global Solutions, LLC | Texas |
| Z-Terra | Texas |
| Z-Ware Systems | New Jersey |
| Z-Wave Alliance | Texas |
| Z2 Games | Pennsylvania |
| Z3 Internet | New Jersey |
| Z3Technologies, Inc. | |
| Z5 Inventory | |
| Z555 | New Jersey |
| Z57 | California |
| Z9 Digital, LLC | Michigan |
| Zabaware, Inc. | Pennsylvania |
| Zabo | Texas |
| Zach Alberico | |
| Zach Holman | |
| Zach Leatherman | Nebraska |
| Zach the Tech, LLC | Colorado |
| Zachasry Systems, Inc. | Virginia |
| Zachry & Associates | Virginia |
| Zachtronics | Washington |
| Zack Bartel | Oregon |
| Zacks Investment Research | |
| Zacua Ventures | |
| Zadar Labs, Inc. | California |
| Zadara Storage, Inc. | California |
| Zaden Technologies, Inc. | Alabama |
| Zadesigns Studio | Florida |
| Zadro Solutions, Inc. | Illinois |
| Zaelab | Connecticut |
| ZAF Energy Systems, Inc. | Missouri |
| Zafari, Inc. | South Carolina |
| Zafesoft, Inc. | California |
| Zafrens | California |