Data
- KKL Luzern Management AG
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Ensemble Corund
- GMkonzerte
- GC Events Sagl
- Smallflower Events GmbH Elsau
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- CONCORDIA
- Secondhand Orchestra
- AllBlues Konzert AG Winterthur