Data
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Konzertchor Luzern
- Stargarage AG
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- Culture Communication GmbH
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Act Entertainment AG Basel