Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Lorenz Hauser Management
- ENCORE! Entertainment AG
- Act Entertainment AG Basel
- ENCORE - Entertainment AG