Broomfield-based Flatiron Construction Corp. and Dragados North America have successfully integrated, creating the second largest civil engineering and construction company in North America. This integration follows the announcement of their combination in July 2024 by Dragados and Hochtief. The new entity, named FlatironDragados, is owned 61.8% by Dragados, S.A. and 38.2% by Hochtief. Javier Sevilla…