Mueller Industries 

Mueller Industries Inc makes copper, brass, aluminum, and plastic products. The company reports three business segments: piping systems, industrial metals, and climate. Piping systems, earning majority of the company's revenue, produces tubes, fittings, rods, valves, and other products and operates various firms world-wide. The industrial metals segment manufactures impacts and micro-gauge, brass rod and copper bar products, and brass value-added products. The climate segment produces items used to create temperature-control goods, including valves, twisted tubes, coaxial heat exchangers, and others. Geographically, it operates in USA, UK, Canada, Asia and the Middle East and Mexico.