Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Blasorchester Stadtmusik Luzern
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Good News Productions AG Glattpark
- Migros-Kulturprozent-Classics