Data
- AllBlues Konzert AG, Winterthur
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Konzertchor Klangwerk Luzern
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Rima Entertainment AG
- CONCORDIA
- Act Entertainment AG Basel