Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Brassband Bürgermusik Luzern
- Lucerne Festival
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- Furler Productions
- Gadget abc Entertainment Group
- Act Entertainment AG Basel