Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- GMkonzerte
- Pro Senectute Kanton Luzern
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- Festival Strings Lucerne - Daniel Dodds