Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Ensemble Corund
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- 21st Century Orchestra
- KKL Experiences