Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- SJSO
- CH Regionalmedien AG
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel