Data
- Obrasso Classic Events GmbH
- Act Entertainment AG Basel
- Bach Ensemble Luzern
- Zentralschweizer Jugendsinfonieorchester ZJSO
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- eco2friendly, c/o Otto Fischer AG
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- CONCORDIA
- Good News Productions AG
- CONCORDIA