Data
- Talks, Referate
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Feldmusik Luzern
- Konzertchor Klangwerk Luzern
- Ensemble Corund
- Pro Senectute Kanton Luzern
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG