Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- GMkonzerte
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Jazz Classics
- Good News Productions AG