Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GMkonzerte
- Lucerne Festival
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Furler Productions
- Secondhand Orchestra
- Festival Strings Lucerne - Daniel Dodds
- AllBlues Konzert AG Winterthur