Data
- Talks, Referate
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- DaCapo Musikmarketing GmbH
- Pro Senectute Kanton Luzern
- 21st Century Orchestra
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- EJV Abteilung Jodelgesang
- eco2friendly, c/o Otto Fischer AG