Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- City Light Concerts
- Zürcher Kammerorchester
- Pro Senectute Kanton Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- CONCORDIA
- Act Entertainment AG Basel