Data
- AllBlues Konzert AG, Winterthur
- Act Entertainment AG Basel
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- Migros-Kulturprozent-Classics
- Agentur Springbock GmbH
- Feldmusik Hochdorf
- MyNina Spettacoli sagl
- domino Event SARL
- Concert Hall
- Lucerne Hall