Profile: The William L. Bonnell Co Inc. is an aluminum extruder. We produce alloys, finishes, fabrication options and casting capabilities. We offer three products, which includes extrusion, billet and ladder. We specialize in aluminum, which allows high strength-to-weight ratios. We manufacture billet that will eliminate problems in downstream operations, such a anodizing or polishing. We also market and sell climbing products of aluminum, fiberglass and wood.