Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- SJSO
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Festival Strings Lucerne - Daniel Dodds