| Company Name | Software Titles |
|---|---|
| ZoomCommerce | 1 |
| Zephyr | 1 |
| Zyl Soft | 1 |
| ZiWu-Soft EDV Systeme GmbH | 1 |
| Zoomify | 1 |
| ZeraWare | 1 |
| Zynga | 1 |
| Zebra Technologies | 1 |
| Zoosk | 1 |
| Zero-Knowledge Systems | 1 |
| Zabaware | 1 |
| ZJMedia | 1 |
| ZScrapbook | 1 |
| ZeroSPAM | 1 |
| ZyXEL Communications | 1 |
| Zeitnitz | 1 |
| ZSMC | 1 |
| Zevez | 1 |
| ZZJ | 1 |
| zanox AG | 1 |
| ZohoCorp | 1 |
| Zelek Software | 1 |
| ZSoft Software | 1 |
| Zhengpeng Hou | 1 |
| ZANOX.de AG | 1 |
| Zoiper Communicator Free | 1 |
| ZhiQing Soft | 1 |
| ZANTAZ | 1 |
| Zenilink Media | 1 |
| ZTekWare | 1 |
| Zidsoft | 1 |
| ZOLL Medical | 1 |
| Zenith | 1 |
| ZTerm David P. Alverson | 1 |