Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- Verein Luzerner Orgelfreunde
- Klavier-Fest | LUCERNE FESTIVAL