Data
- KKL Luzern Management AG
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- LU Couture
- 21st Century Orchestra
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Feldmusik Hochdorf
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- AllBlues Konzert AG Winterthur