O. Bauer, M. Philips, E. Preuss, A. Schott, E. Trescher, L. Treuheit, W. Venator, A. Widmaier, L. Beck, G. Buzek, M. Escher, C. Irresberger, C. Kazmeyer, A. Kessner, E. Leber, B. Neumann
-Ing. e. h. O. Bauer, Dipl. -Ing. G. Hellenthal, Oberbergrat J. Hornung, Ing. C. Irresberger, Dipl. -Ing. U. Lohse, -Ing. P. Oberhoffer, -Ing. M. Philips, -Ing. E. Schüz, -Ing. C. Schwarz, -Ing. A. Stadeler, -Ing. R. Stotz, -Ing. e. h. L. Beck, Obering. L. Treuheit, Dipl. Ing. S. J. Waldmann, Ingenieur Fr. Wernicke, A. Widmaier, Dipl. -Ing. H. Witte, Ing. Georg Buzek, T. Cremer, -Ing. K. Daeves, -Ing. K. Dornhecker, -Ing. R. Durrer, Obering. M. Escher, Dipl. -Ing. G. Fiek