Data
- others
- Talks, Referate
- Opera, Operetta
- Classical music
- KKL Luzern Management AG
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Pro Senectute Kanton Luzern
- Reisefibel Leipzig
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Neo Kultur GmbH
- Alegria Konzert GmbH