Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Ensemble Corund
- Lucerne Festival
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG
- Act Entertainment AG Basel