QS2 AG Quality Software Solutions Software Laubisrütistrasse 42a 8712 Stäfa Kanton: Zürich CH www.qs2.ch (043) 883 00 85
Sonova Consumer Hearing Switzerland AG Software Laubisrütistrasse 28 8712 Stäfa CH www.zucchetti.com/de/ (044) 864 44 10
