Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Jazz Club Luzern
- DaCapo Musikmarketing GmbH
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Lucerne Festival
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- GMkonzerte / Odessa Classics
- AllBlues Konzert AG Winterthur