Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Konzertchor Klangwerk Luzern
- Zürcher Kammerorchester
- GC Events Sagl
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Secondhand Orchestra
- Good News Productions AG
- Act Entertainment AG Basel