Data
- Act Entertainment AG Basel
- Jazz Club Luzern
- Festival Strings Lucerne
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Culture Communication GmbH
- Rima Entertainment AG
- Neo Kultur GmbH
- Act Entertainment AG Basel