Bonnell Aluminum is a subsidiary of Richmond Va., based Tredegar Corporation. (NYSE:TG). The company produces soft and medium-strength alloy aluminum extrusions for building and construction, machinery and equipment, consumer durables, transportation, electrical and distribution markets. On October 1, 2012, Bonnell Aluminum acquired AACOA. a world-class manufacturer, fabricator and anodizer of aluminum extrusions with operations in Niles, MI, and Elkhart, IN.