| Company | Location |
|---|---|
| ZOXY Energy Systems AG | Bretten, Germany |
| Zoz Group | Wenden, Germany |
| Zuhlke Engineering AG | Zurich, Switzerland |
| Zumtobel AG | Dornbirn, Austria |
| Zygo Corp. | Middlefield, Connecticut, United States |
| Zyomyx Inc. | Hayward, California, United States |
| Zyvex Corp. | Richardson, Texas, United States |
