The report of the Saudi Contractors (STC) revealed the acquisition of the Riyadh region on the larger side of the proportion of enterprises and employment numbers of about 46.28 thousand facilities of 26.4%, and the Makkah area comes second In the number of enterprises working in the contracting sector at 37.89 thousand facilities represent 21.6%, followed by the eastern region of about 25.41 thousand facilities and 14.5%.