1- Ministry of Civil Aviation.
    a- Cairo Airport Company
    b- Egyptian Airport compnay

2- Ministry of Defence.
    a- Egyptian Airforces  
    b- Egyptian Armament Authority

3- Ministry of Militry Production Plants.
    a- Egyptian Tank Plant  Factory 200 (E.T.P200)

4- Ministry of Investment.
    a- El Nasr General contractors  ( Hassan Allam)

5- Ministry of Electricity.

6- El kharaphy Group (Emak).

7-Kato Real State.

8-American University in Cairo (AUC).

9- Emaar Misr .

10- Administrative Capital for Urban Development (ACUD) .

11- Mercedes Commercial Vehicles ( MCV ) .