Chehel Cheshmeh Company has rank 1 in construction and ranks 3 in installation & equipment and rank 5 in water from Tehran province management and planning organization. Having relied on obtaining valuable experiences in implementing various projects during very long years of activity, it has achieved special abilities so that at the present time, the technical engineering groups of this Company are able to implement all constructional Activities in the field of educational, cultural, sport, trade , administrative, residential, Industrial centers through concrete and metal structures. Also, Chehel Cheshmeh Company has successful experiences and records in the field of building water transfer lines, wastewater, and central heating system and air conditioning. Using experienced experts, computer equipment, and designing software related to civil works, this Company is already presenting various technical services such as design, structural computations, drawing, and strengthening the implemented strikers. For this purpose, the Status Software 2000 has been prepared by Company’s software group in order to draw up statement of balance, estimation, and calculation of qualification based on the list of price, which is used, by the group and other colleagues.