Energy Recovery, Inc. is an American company that manufactures energy recovery devices for desalination plants. The company was founded in 1992 and is headquartered in San Leandro, California. Energy Recovery's products are used in more than 15,000 desalination plants worldwide, and the company has more than 70 patents for its technology. The company's products help to reduce the energy consumption of desalination plants, making them more efficient and environmentally friendly. Energy Recovery is publicly traded on the NASDAQ stock exchange under the ticker symbol ERII.