Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- Chor der Nationen Luzern
- GMkonzerte
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Act Entertainment AG Basel