Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Bach Ensemble Luzern
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- ENCORE! Entertainment AG
- AllBlues Konzert AG Winterthur
- Concert Hall
- Lucerne Hall