Based in Apple Valley, Minnesota, Uponor North America notes it is a global pioneer in intelligent plumbing and climate solutions, installing more than 17 billion feet of pipe in plumbing, radiant heating/cooling, fire safety and hydronic distribution systems worldwide. Its lightweight, flexible PEX system brings greater efficiencies and safety to jobsites with a solution that is fast for contractors to learn, easy to maneuver and install, and joins without the need for dangerous chemicals or open flame, Uponor explains. The company adds the durability of Uponor PEX offers corrosion resistance and greater resiliency in freeze-thaw cycles. Uponor North America.