Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Feldmusik Luzern
- Bach Ensemble Luzern
- Lucerne Festival
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Gadget abc Entertainment Group
- AllBlues Konzert AG Winterthur