Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Ensemble Corund
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- 21st Century Orchestra
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Maya Classics
- eco2friendly, c/o Otto Fischer AG
- Festival Strings Lucerne - Daniel Dodds