Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Zürcher Kammerorchester
- Ensemble Corund
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Lorenz Hauser Management
- Neo Kultur GmbH
- Secondhand Orchestra
- Pro Senectute Kanton Luzern