Hydro Aluminum North America is a leading aluminum extruder within North America and throughout the world. The company s extrusion unit is headquartered in Linthicum, Md. Its 2,700 employees provide extrusions, drawn tubing, finishing, fabrication, contract manufacturing and building products from 10 United States locations and one in Mexico. Hydro Aluminum is a unit of Hydro, a Fortune 500 energy and aluminum supplier founded in 1905. Hydro and its 36,000 employees are operating in nearly 40 countries. Maintaining a 130,000-square-foot facility in Sidney, Ohio, Hydro Aluminum North America was established in 2002.