Petersen Aluminum Corporation was founded in 1965 as a metals service center to the architectural metal industry. At Petersen we strive to provide products of the highest possible quality within reliable, dependable lead-times. Our strong national sales base allows PAC to maintain large inventories and cost economies to our customers. In addition to our Chicago-based headquarters, we maintain full production facilities in Annapolis Junction, Maryland; Tyler, Texas; Acworth, Georgia and Fridley, Minnesota.