Name | Zeitraum |
|---|---|
| Dr. Domaschko | 1904 |
| Dr. Sawicki | 1905 |
| Dr. Eugen Macher | 1906 |
| Prosinagg | 1911 |
| Dr. Messmer | 1912 |
| Dr. Kilhof | 1914 |
| Kail, Dr. Koch, Wodnansky | 1915 |
| Dr. Macher | 1919 |
| Prof. Wodnansky | 1921 |
| Bachmann | 1922 |
| Dr. Macher | 1923 |
| Dr. Dollinger | 1925 |
| Dr. Zádor | 1938 |
| Dr. Dollinger | 1945 |
| Dr. Gitsch | 1949 |
| Dr. Paic | 1950 |
| Dr. Zádor | 1954 |
| Hanzl | 1959 |
| Dr. Kolassa | 1964 |
| Prof. Dipl-Ing. Strasser | 1970 |
| Univ. Prof. Dr. Placheta | 1984 |
| DI Norbert Theuretzbacher | 2011 |
| Mag.(FH) Peter Lehre | 2024 |