Data
- Talks, Referate
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- Radio Pilatus AG *
- Pro Senectute Kanton Luzern
- argovia philharmonic
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Culture Communication GmbH
- Maya Classics
- SJSO