Supervisory Board
- Mag.a Christa Geyer
- DI Herbert Kasser
- DI Wolfgang Anzengruber
- DI Dr. Harald Frey
- DI Kathrin Renz
- Martha Schultz
Employee representatives
- Martin Pretterhofer
- Christian Petz
- Gerlinde Mattanovich
Supervisory Board of the individual companies
- Mag. Hartwig Hufnagl (Chairman of the Supervisory Board)
- Dr. Josef Fiala (Deputy Chairman of the Supervisory Board)
- Kommerzialrätin Margarete Kriz-Zwittkovits
- DI Mark Ganster
- Prof. Mag. Dr. Alfred Kappl
Employee representatives
- DIin Gerlinde Mattanovich
- Ing. Manuel Schönhuber
- Ing. Adolf Astner
- Dr. Josef Fiala (Chairman of the Supervisory Board)
- Mag. Hartwig Hufnagl (Deputy Chairman of the Supervisory Board)
- Gerald Schwarzenpoller, MSc
- Mag.a Christa Bock
- Dipl.Ing. Rolf Sint
Employee representatives
- Gabriele Straßnigg
- Klaus Konrath
- Claudia Wagner
- Mag. Hartwig Hufnagl(Chairman of the Supervisory Board)
- Dr. Josef Fiala (Deputy Chairman of the Supervisory Board)
- LAbg. a.D. Ing. Manfred Ebner
- DI Wolfgang Heckenast
- HR DI Josef Decker
- Landesbaudirektor DI Andreas Tropper
- DI Franz Schwammenhöfer
- Christoph Bayrhammer
- DI Thomas Keller
- Mag. Alexander Forster
Employee representatives
- Christian Piribauer
- Günter Eck
- Martin Pretterhofer
- Johannes Trauner
- Alexandra Adlbauer
- Mag. Hartwig Hufnagl (Chairman of the Supervisory Board)
- HR DI Robert Müller (Deputy Chairman of the Supervisory Board)
- Dr. Josef Fiala
- Dr. Christian Konzett
Employee representatives
- Roman Grünerbl
- Manfred Ladner