Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Vokalensemble Luzern
- Konzertchor Luzern
- GMkonzerte
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Swiss Music Awards
- ENCORE! Entertainment AG
- ENCORE - Entertainment AG