Data
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Gadget abc Entertainment Group AG
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Good News Productions AG Glattpark
- Culture Communication GmbH
- SJSO
- ENCORE! Entertainment AG
- GMkonzerte / Odessa Classics
- GMkonzerte / Odessa Classics