Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Accademia Barocca Lucernensis
- Neo Kultur GmbH
- Festival Strings Lucerne - Daniel Dodds
- AllBlues Konzert AG Winterthur