Data
- KKL Luzern Management AG
- Act Entertainment AG Basel
- Gadget abc Entertainment Group AG
- Brassband Bürgermusik Luzern
- Konzertchor Luzern
- Stargarage AG
- domino Event SARL St. Gallen www.dominoevent.ch
- CLAMUS Lucerne
- Culture Communication GmbH
- Euroconcerts Suisse Sarl
- GMkonzerte / Odessa Classics
- Act Entertainment AG Basel