Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Konzertchor Klangwerk Luzern
- Ensemble Corund
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG