NBK America LLC, 100% subsidiary of NBK, started sales and customer service activities in US and Canada, in May 2015.

NBK America LLC

421 Feheley Drive, Unit B, King of Prussia, PA 19406
Phone:+1 (484) 685-7500 fax: +1 (484) 685-7600

You can contact NBK America through "contact us" tab, as well.