Mohandesi Toseh Sokht Atomi Company, Ltd.

Also Known As: 

- Engineering of Expansion of Nuclear Fuel Company, Ltd.

Weapon Program: 

  • Nuclear


Alvand Avenue, 37th Street, Number 27, Tehran, Iran (according to the NCRI)

Contracted to Kalaye Electric Company to provide nuclear fuel cycle design and engineering services, and has procured equipment for the Natanz uranium enrichment site.

Maintains a factory at the Arak Heavy Water Complex, according to the National Council of Resistance of Iran; managing director is Mohammad Mohammadi, who was listed by the European Union on December 1, 2011 as an entity involved in nuclear or ballistic missile activities.


As part of the re-imposition of U.S. sanctions on Iran, added on November 5, 2018 to the Specially Designated Nationals (SDN) list maintained by the U.S. Department of the Treasury's Office of Foreign Assets Control (OFAC), freezing its assets under U.S. jurisdiction and prohibiting transactions with U.S. parties, pursuant to Executive Order 13599, which targets entities controlled by the Government of Iran and Iranian financial institutions; foreign parties facilitating transactions for the entity or otherwise assisting the entity are subject to U.S. sanctions.

Listed by the European Union on December 1, 2011 as an entity linked to Iran's proliferation-sensitive nuclear activities or Iran's development of nuclear weapon delivery systems; with some exceptions, EU member states must freeze assets owned or controlled by the entity, directly or indirectly, and prevent assets from being made available to it.

Sanctioned by the governments of Canada, Norway, South Korea, and Switzerland, restricting business and financial transactions with the entity and/or freezing its assets in those countries.

Listed by the Japanese government in 2018 as an entity of concern for proliferation relating to nuclear weapons.

Mentioned Suspect Entities & Suppliers: 

Date Entered: 

June 18, 2007

Date Last Modified: 

December 10, 2018