Mueller Industries, Inc.

Mueller Industries makes metal pipes, tubes, and fittings used in plumbing, heating and air-conditioning systems, and refrigeration equipment. The company manufactures copper, brass, and aluminum products that go into everything from home plumbing to car air-conditioning systems. They also make valves, heat exchangers, and other metal components that manufacturers and wholesalers buy to build larger products. Mueller sells to plumbing suppliers, heating and cooling contractors, equipment makers, and retailers across the United States and in several other countries.