Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Feldmusik Luzern
- Ensemble Corund
- GMkonzerte
- Lucerne Festival
- Stargarage AG
- GC Events Sagl
- Alegria Konzert GmbH
- Good News Productions AG Glattpark
- Lorenz Hauser Management
- Festival Strings Lucerne - Daniel Dodds