Winona Renewable Energy LLC, 1449 Ridgewood Dr, Winona, MN 55987, US

Chart Energy & Chemicals is a leading global supplier of standard and custom-engineered products and systems serving a wide variety of low-temperature and cryogenic applications. Chart manufactures a broad line of cryogenic products for the purification, liquefaction, distribution, storage and application of gases such as helium, nitrogen, argon, oxygen, carbon dioxide, natural gas and other hydrocarbons for final use in a multitude of industrial, commercial and scientific applications. These applications serve many selected markets including biomedical, food, entertainment, aerospace, thermal testing, alternative fuels, vacuum systems and other industrial end users. Chart is the industry-leading manufacturer of bulk CO2 units for the carbonated beverage, beer systems and water treatment markets.