Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- Zürcher Kammerorchester
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Act Entertainment AG Basel