Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds