Data
- Talks, Referate
- Act Entertainment AG Basel
- City Light Concerts
- Radio Pilatus AG *
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- swiss classics gmbh / Lucerne Chamber Circle
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- Accademia Barocca Lucernensis
- Gadget abc Entertainment Group
- Neo Kultur GmbH