Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- WMC Media GmbH
- Konzertbüro Augsburg GmbH
- Lucerne Chamber Circle
- Act Entertainment AG Basel