Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Verein Luzerner Orgelfreunde
- DaCapo Musikmarketing GmbH