 | 1951-1954 Dipl.-Ing. Bitzegeio |
 | 1954-1956 Dipl.-Ing. R. Schumacher |
 | 1956-1958 Ltd.BD Dipl.-Ing. Bürger |
 | 1958-1960 Prof. Dr. Robert Schönhöfer |
 | 1960-1962 Dipl.-Ing. Schilffahrt |
 | 1962-1966 Dipl.-Ing. Antonius Klein |
 | 1966-1968 Dipl.-Ing. A. Schumacher |
 | 1968-1972 Dipl.-Ing. Schnitzler |
 | 1972-1978 Ltd.BD Dipl.-Ing. Bürger |
 | 1978-1988 RBM Ltd.BD Dipl.-Ing. Heinz J. Zeeb |
 | 1988-1994 Ltd.BD Dipl.-Ing. Helmut Flöck |
 | 1994-2000 Dipl.-Ing. Hans Gert Homann |
 | 2000-2006 Dipl.-Ing. Hans-Jürgen Kraus |
 | 2006-2010 BD Dipl.-Ing. Rainer Hub |
 | 2010- Dipl.-Ing.
Alexander von Canal
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