| Ing. Hans Amri |
1988 |
| Erich Szigeti |
1993 |
| Erich Paul Schneemayer |
1997 |
| Gerhard Frank |
1999 |
| Viktor Sörös |
1999 |
| Matthias Zeiser |
1999 |
| Ernst Dürr |
2003 |
| Johannes Meixner |
2006 |
| Günther Liedl |
2009 |
| Dieter Müllner |
2009 |
| Martin Szoka |
2010 |
| Roland Bauhofer |
2012 |
| Hans Jürgen Stelzer |
2012 |
| Gerhard Bauhofer |
2013 |
| Franz Frank |
2014 |
| Ing. Manuel Nitschinger |
2018 |
| Dipl.-Ing. (FH) Franz Zweng |
2018 |
| Elisabeth Macher |
2019 |
| Ing. Johann Macher-Valduga |
2019 |
| Günther Meixner |
2019 |
| Thomas Sattler |
2019 |
| Dipl.-Ing. Dr. techn Hanns Amri |
2020 |
| Andreas Macher |
2020 |
| Dipl.-Ing. Claus Pamer |
2020 |
| Torsten Demuth |
2021 |
| Roland Holzapfel |
2021 |
| Dipl.-Ing. (FH) Michael Amri |
2023 |
| Christian Fischer |
2023 |
