Data
- Obrasso Classic Events GmbH
- AllBlues Konzert AG, Winterthur
- Luzerner Sinfonieorchester
- Act Entertainment AG Basel
- Konzertchor Klangwerk Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Rima Entertainment AG
- Furler Productions
- Act Entertainment AG Basel