Dipl.-Ing. Jost Schad

Dipl.-Ing. Jürgen Schwiering

Dipl.-Ing. Karl O. Hugenbruch

Dipl.-Ing. Ludwig Hahn

Dipl.-Ing. Markus Imhäuser

Dipl.-Ing. Miroslav Sacha

Dipl.-Ing. Peter Grundig

Dipl.-Ing. Peter Kocks

Dipl.-Ing. Reinhold Lang

Dipl.-Ing. Roeder GmbH