•Concord Engineering and Contracting Company.

•Gamma Company.

•Al-Saleh Company

•D O C company.

•Alexandria Construction Company (Talaat Mostafa).

Al Zayed Contracting Company.

•ISGC Construction Company (Al Shaafar).

•El Sewedy Environmental Solutions Company.

•Al-Kawthar Company.

•Cemento Ready Mix.

•Barani Cooperative Society Company.

•Peace Contracting Company.

•Geos Company.

•Al Madkour Projects Company.