Energy Recovery, Inc. (NASDAQ: ERII) engineers and manufactures advanced energy-saving devices for industrial fluid-flow markets, with a dominant market presence in seawater reverse osmosis (SWRO) desalination. Its patented pressure exchanger technology captures hydraulic energy from high-pressure waste brine streams and reuses it to pressurize incoming seawater, saving municipal water plants millions of dollars in electricity costs. The company is also expanding its technology applications into emerging wastewater treatment and CO2 refrigeration sectors.