Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Rima Entertainment AG
- Gadget abc Entertainment Group
- CONCORDIA
- Festival Strings Lucerne - Daniel Dodds