Schalltechnisches Entwicklungs- und Prüfinstitut GmbH
Brückenstraße 9
71364 Winnenden
+49 7195 9147-70
+49 7195 9147-10
Managing Director:
Dipl.-Ing. (FH) Christoph Fichtel
Founding in 2001
STEP GmbH is specialized in testing, developing and acoustical optimization of all types of stairs – in the laboratory as well as in buildings.