Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- GC Events Sagl
- Migros-Kulturprozent-Classics
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG