Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Bach Ensemble Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Gadget abc Entertainment Group
- CH Regionalmedien AG
- ENCORE! Entertainment AG
- Act Entertainment AG Basel
- Lucerne Hall