Defense Industries Organization

The Defense Industries Organization (DIO, سازمان صنایع دفاع جمهوری اسلامی ایران, also known as Saseman Sanaje Defa) is a conglomerate of companies that provides manufacturing and technical solutions. It offers defense equipment, including main battle tanks, armored personnel vehicles (APVs), guns and gun-howitzers, multi-barrel rocket launchers, anti-tank missile weapon systems, etc. The company also develops mines and explosives, including ammonium nitrate (ANFO), powder explosives, dynamite, and fuses.