Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Chor der Nationen Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Konzertbüro Augsburg GmbH
- Festival Strings Lucerne - Daniel Dodds
- Act Entertainment AG Basel