Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GC Events Sagl
- Alegria Konzert GmbH
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Lorenz Hauser Management
- Festival Strings Lucerne - Daniel Dodds
- Good News Productions AG