- Alsabria Contracting (construction of a dam project and the Wadi Bani Qais khat).

- Sarawat Trade Company (the construction of overhead water tanks majardh).

- Anamlh Company (sewage project Majardh province).

- Bin Samar Contracting (Valley dam project dam project and sew Valley Grey Majardh).

- Foundation Hajri Contracting (dam project Valley Shri bariq).

- Samed Contracting Company (sewage project majardh).

- Al-Hajri Corporation (Valley Dam Shri bariq).

- Bin Samar (dam project and sew Valley)