Data
- Classical music
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Lucerne Festival
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Lucerne Chamber Circle