Based in San Leandro, California, ENERGY RECOVERY, INC. is a leading global developer and manufacturer of highly efficient energy recovery devices utilized in the water desalination industry. Energy Recovery, Inc. operates primarily in the sea water reverse osmosis segment of the desalination industry.ERI manufactures ultra-high efficiency recovery products and technology, specifically the ERI PX Pressure Exchanger, that are among the enabling technologies driving the rapid growth in seawater reverse osmosis desalination, and are helping to make desalination affordable worldwide.