Data
- Act Entertainment AG Basel
- City Light Concerts
- domino Event SARL St. Gallen www.dominoevent.ch
- GC Events Sagl
- KKL Luzern Management AG und Luzerner Sinfonieorchester
- Good News Productions AG Glattpark
- Rima Entertainment AG
- eco2friendly, c/o Otto Fischer AG
- GMkonzerte / Odessa Classics
- Rima Entertainment