DnB NOR Bank ASA
"Norwegian Foreign Minister Borge Brende announced that Oslo has opened a one-billion-dollar credit line to help the Norwegian companies with export of their commodities to Iran. 'DNB as Norway's largest financial services group is due to be active in Iran's market,' Brende added." (Fars News, "Minister: Norway Opens $1bln Credit Line to Ease Exports to Iran," 10/9/2016).
Noted for conducting business with Iranian banks. (Avi Jorisch, "Iran's dirty banking," 2010)