Pentair plc (NYSE:PNR) is included among the 11 Best Value Dividend Stocks to Buy Now. Pentair (PNR): A Dividend Payer With Solid Value in the Industrial Sector Pentair plc (NYSE:PNR) is an American company that specializes in water treatment solutions. Although its headquarters are in the United States, the firm is incorporated in Ireland and maintains its tax residence in the United Kingdom. Pentair plc (NYSE:PNR) recently finalized the acquisition of Hydra-Stop LLC from Madison Industries for around ...