Top 4 Stocks In The Pollution & Treatment Controls Industry With The Highest Operating Margin

Below are the top pollution & treatment controls stocks in terms of operating margin. The trailing-twelve-month operating margin at Duoyuan Global Water Inc DGW is 32.21%. DGW's ROE for the same period is 14.48%. The trailing-twelve-month operating margin at RINO International Corporation RINO is 23.32%. RINO's revenue for the same period is $218.98 million. The trailing-twelve-month operating margin at Donaldson Company Inc DCI is 13.65%. DCI's PEG ratio is 1.46. The trailing-twelve-month operating margin at Calgon Carbon Corporation CCC is 11.63%. CCC's PEG ratio is 0.80.