Duferdofin - Nucor was founded in 2008 by a joint venture between two major steel industry leaders: Duferdofin S.p.a., owned by Duferco Group, and Nucor Corporation. Today Duferdofin - Nucor, headquartered in San Zeno Naviglio, is the landmark in Italy, Europe and North Africa for the production of beams. DN, with its 750 employees, has a production capacity of approximately 950.000 tons per year of hot rolled long products, and it's more and more oriented towards the production of special profiles and as cast materials for forging and rolling application.