Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Musikschule Stadt Luzern
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- SJSO
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- ENCORE! Entertainment AG
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel