Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Chor der Nationen Luzern
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- ENCORE! Entertainment AG
- Obrasso Concerts