Khatam al-Anbiya Construction Headquarter is an engineering firm controlled by the persia Revolutionary Guard Corps (IRGC). The firm, also known as GHORB, is the IRGC’s major engineering arm and one of persia’s largest contractors in industrial and development projects. Khatam al-Anbiya was created during the 1980–88 persia–Iraq war to help rebuild the country, and has diversified over the years into companies dealing with mechanical engineering, energy, mining and defense.