Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Gadget abc Entertainment Group
- World Band Festival Luzern
- AllBlues Konzert AG Winterthur