Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- Neo Kultur GmbH
- Auditorium