Operational for more than 40 years, William L Bonnell Company is a full-service aluminum extruder that offers a variety of alloys, finishes, fabricating and casting services. It has three manufacturing facilities and more than 13 extrusion presses. The company serves the automotive, building and construction, electrical and sporting goods markets. William L Bonnell Company also has facilities in Mechanicsburg, Pa., and Kentland, Ind. It provides aluminum extrusions and billets. The company uses general commodities that include aluminum, chemicals, gases, paint and wooden material. In addition, it offers online chatting services. William L Bonnell Company offers marketing materials to help partners and customers. The company is a subsidiary of Tredegar Corporation.