Best construction companies in Dubuque, IA

Quanex Building Products Corporation is headquartered in Houston, Texas with locations around the world. Its mission is, "to positively impact our customers, employees and shareholders and put them at the center of everything we do, through innovation, technology, best-in-class customer service and excellent returns." An industry-leading manufacturer of engineered materials and components for building products sold to Original Equipment Manufacturers (OEMs), Quanex designs and produces energy-efficient window and door products, systems and solutions. Employing top talent, developing forward-thinking technologies and solutions with an emphasis on energy efficiency and aesthetics, continuous improvement and integrity remain the cornerstones of Quanex's business as it positions itself for future growth in the building products market with a special emphasis on supplying innovative new products to the fenestration industry.