Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- GC Events Sagl
- Alegria Konzert GmbH
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- CH Regionalmedien AG
- Obrasso Concerts
- Act Entertainment AG Basel