Hydro Aluminum Extrusion North America, the North American extrusion business development arm of Norsk Hydro, has restructured Baltimore-based Hydro Aluminum Wells. The six-plant network is now reorganized into three strategic business units: Hydro Aluminum Wells East, including the company's Belton, SC and Moultrie, GA extrusion, fabrication, and finishing operations; Hydro Aluminum Wells Midwest, including the company's Monett, MO, and North Liberty, IN extrusion, fabrication, and finishing plants; and Components and Assemblies Group, including the Kalamazoo, MI, and Sidney, OH operations.