Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- GMkonzerte
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- Maya Classics
- Furler Productions
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- Inseli