Data
- AllBlues Konzert AG, Winterthur
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- CLAMUS Lucerne
- eco2friendly, c/o Otto Fischer AG
- Gadget abc Entertainment Group
- AllBlues Konzert AG Winterthur
- DaCapo Musikmarketing GmbH