Data
- Classical music
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Chor der Nationen Luzern
- Stargarage AG
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Festival Strings Lucerne - Daniel Dodds