Data
- Act Entertainment AG Basel
- City Light Concerts
- Festival Strings Lucerne
- Gadget abc Entertainment Group AG
- 21st Century Orchestra
- GC Events Sagl
- Good News Productions AG Glattpark
- Feldmusik Hochdorf
- Accademia Barocca Lucernensis
- MyNina Spettacoli sagl
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel