Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- GMkonzerte
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Alegria Konzert GmbH
- Maya Classics
- Gadget abc Entertainment Group
- Neo Kultur GmbH
- Act Entertainment AG Basel