Data
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Feldmusik Luzern
- Lucerne Festival
- domino Event SARL St. Gallen www.dominoevent.ch
- argovia philharmonic
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Lorenz Hauser Management
- domino Event SARL