ZHTA S.A
- Timoleon Zisis, President
- Georgios Zisis, vice-President
- Spyridon Zisis, Managing Director
ZISIS LTD
- Spyros Zisis, President
- Georgios Zisis, vice-President
- Timoleon Zisis, Member of the Administrative Board
ZHTA S.A. – ACROPOLIS (under formation)
- Spyros Zisis, President
- Georgios Zisis, vice-President
- Timoleon Zisis, Member of the Administrative Board
Senior Partners of ZHTA S.A. – Acropolis
- Katsoulis Georgios (Civil Engineer), Project Manager
- Lezis Petros (Earthworks), Road Construction Manager
