- Dipl. Ing. Gerhard Greßlehner
- Ing. Matthias Bäck
- Dipl. Ing. Oliver Greßlehner
- Ing. Dietmar Greßlehner
- Dipl. Ing. Martina Muck
- Dipl. Ing. Rosa Annerl
- Endre Illes, MSc.
- Esther Golger, BA
- Tanja Gramatikov
- Imelda Sperl, BSc
- Gabriele Greßlehner
- Marlene Hintringer
- Melanie Colic
- Yvonne Pühringer
- Pamela Haubner
- Mirela Malkic
Melanie Colic
Finanzen & Controlling, Personal