Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- GC Events Sagl
- Agentur Springbock GmbH
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- eco2friendly, c/o Otto Fischer AG
- MyNina Spettacoli sagl
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Jazz Classics
- Concert Hall
- Lucerne Hall