Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- GC Events Sagl
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- GMkonzerte / Odessa Classics
- Festival Strings Lucerne - Daniel Dodds
- Concert Hall