Dipl.-Ing. Josef Merkl

Dipl.-Ing. Julius Schlachter

Dipl.-Ing. Jürgen Helmold

Dipl.-Ing. Klaus Hettler

Dipl.-Ing. Klaus Krüger

Dipl.-Ing. Krüger

Dipl.-Ing. Kurt Roller

Dipl.-Ing. Lehmann u. Weisheit

Dipl.-Ing. Lothar Hanisch

Dipl.-Ing. Ludwig G. Melzner