Helmut Zeilinger
Kneippstrasse 3
A - 5252 Aspach
+43 699 17777180
helmut.zeilinger (a) aon.at
Ing. Robert Leitner
Hauptplatz 11
A - 3150 Wilhelmsburg
+43 664 2626062
robert.leitner74 (a) gmail.com
Ing. Wilhelm Schiessel
Feldgasse 28b
A - 3430 Tulln
+43 680 1403610
willhelm.schiessel (a) a1.net