Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- argovia philharmonic
- Blasorchester FM Neuenkirch
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- ENCORE! Entertainment AG
- Act Entertainment AG Basel