Chagalesh Consulting Engineers is a private company founded in Iran in 1981 by a group of professional managers and engineers with extensive experience in the Oil, Gas and petrochemical industries. In 1997 Chagalesh was qualified by "Iran Management and Planning Organization" as a design-build contractor in the oil, gas and petrochemical fields and since then has successfully completed several projects in these fields through various types of contracts including E.P., E.P.C and E.P.C.C.