Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Ensemble Corund
- GMkonzerte
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- World Band Festival Luzern