Wolverine Tube helps refrigerators and A/Cs chill out. One of North America's largest makers of copper and alloy tube for commercial products, Wolverine sells to OEMs. The company makes a range of custom tubing, including industrial (for residential A/C units), technical (for heat exchangers), copper alloy (for utilities), and fabricated (for automotive, electrical, and other applications) products, as well as wholesale tube for standard A/C and refrigeration. It also provides thermal management products for electronics and military/aerospace applications. Wolverine Tube nets most of its sales in North America.