Pentair plc is an American water treatment company incorporated in Ireland with tax residency in UK, with its main U.S. office in Golden Valley, Minnesota. Pentair was founded in the US, with 65% of company's revenue coming from the US and Canada as of 2017. PNR was reorganized in 2014, shifting the corporate domicile from Switzerland to Ireland. On April 30, 2018, PNR announced that it had completed the separation of its Water and Electrical businesses. Now the company's primary focus is on residential, commercial, industrial, municipal and infrastructure and agriculture applications. Its fiscal year 2021 revenues were US$3.8 billion and it employs approximately 11,250 people worldwide. Wikipedia