Pentair in1966, five men intent on manufacturing high-altitude balloons founded a company in suburban St. Paul, Minnesota, that they called Pentair, the Greek “penta” for the five founders and “air” for the products they planned to produce. Pentair diversified quickly venturing into a wide variety of industries and eventually focusing its portfolio on water treatment and sustainable applications. This includes acquisitions of great brands, some of which have been serving customers for 150 years.