Data
- Talks, Referate
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Zürcher Kammerorchester
- GMkonzerte
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Smallflower Events GmbH Elsau
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Concert Hall