Data
- Obrasso Classic Events GmbH
- City Light Concerts
- Gadget abc Entertainment Group AG
- Lucerne Festival
- 21st Century Orchestra
- GC Events Sagl
- Migros-Kulturprozent-Classics
- CLAMUS Lucerne
- Smallflower Events GmbH Elsau
- Jazz Club Luzern und AllBlues Konzert AG Winterthur
- CONCORDIA
- Migros-Kulturprozent-Classics