Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG
- Furler Productions
- GMkonzerte / Odessa Classics
- domino Event SARL