Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- GMkonzerte
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- WMC Media GmbH
- ENCORE! Entertainment AG
- Act Entertainment AG Basel