Data
- Classical music
- Act Entertainment AG Basel
- City Light Concerts
- Zürcher Kammerorchester
- Lucerne Festival
- GC Events Sagl
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Euroconcerts Suisse Sarl
- eco2friendly, c/o Otto Fischer AG
- Europaplatz