| z creative labs GmbH | |
| Z Digital Agency S.A.R.L. | |
| Z3 Live Communication AG | |
| Zahner Electronic AG | St. Gallen |
| Zaphiro Technologies S.A. | |
| Zappter AG | |
| Zarattini & Co. S.A. | |
| Zattoo AG | Zurich |
| Zaugg Maschinenbau AG | Solothurn |
| Zdreicom AG | Zurich |
| Zedra | |
| Zehnplus | |
| Zeix AG | Zurich |
| ZENDATA Cybersecurity | Geneva |
| Zenodo | |
| ZenOwn | |
| Zero Point Intel | |
| Zettaplan AG | Lucerne |
| Ziggurat GmbH | Zurich |
| Zimmerli Network Marketing & Consulting | Zurich |
| ZIP.ch S.A. | Vaud |
| Zitadel | |
| Zmedia.ch GmbH | Zurich |
| ZOOD | |
| Zope Hosting Services | Solothurn |
| zSerious | Zurich |
| ZSoil.PC | Vaud |
| ZSP Consulting AG | Zug |
| Zubisoft | Bern |
| Zühlke Engineering AG | Zurich |
| ZUMO Studios AG | |
| ZUMO Studios AG | |
| Zur Rose Group AG | |
| Zürcher Handelskammer | |
| Zürcher Hochschule der Künste | |
| Zürcher Hochschule für Angewandte Wissenschaften | |
| Zürich Friends of Haskell | Zurich |
| Zurich Insurance | |
| Zuzze Technologies GmbH | |
| Zwahlen Informatik | Bern |
| Zweihochdrei GmbH | Basel-Stadt |
| ZYTLYN Technologies AG | |
| `SKIMO | |