Iran Aircraft Manufacturing Industries (IAMI) is a major defense contractor for the Islamic Revolutionary Guard Corps, and among other projects develops the Ababil unmanned aerial vehicle (UAV). [1] In September 2008, the U.S. Treasury Department's Office of Foreign Asset Control added IAMI to its specially designated nationals and blocked persons list. [2]

Sources:
[1] Liam F. Devlin, "Iran Expands UAV Capability," Unmanned Vehicles, Dec. 2006 - Jan. 2007, p. 17; "Drone Wars: U.S. Sanctions Iranian Contractor that Supplies UAVs," World Tribune, 19 September 2008, www.worldtribune.com.
[2] U.S. Department of the Treasury, "Treasury Designates Iranian Military Firms," 17 September 2008, www.ustreas.gov.