Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Feldmusik Luzern
- Ensemble Corund
- Lucerne Festival
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG
- CONCORDIA
- Summer Festival | LUCERNE FESTIVAL
- Act Entertainment AG Basel