Founded in 1983, Aerzen USA manufactures and installs oil free, positive displacement and rotary lobe blowers, as well as screw compressors and vacuum pumps. The company has achieved ISO 9001:2000 certification from the International organization for Standardization. It supplies oil-free air to various process industries, including food, pharmaceutical, environmental and water treatment, cement, mining and aggregate, chemical, petrochemical, plastics and power generation. Aerzen USA is a division of Aerzener Maschinenfabrik, which is one of the leading companies in the world that has been producing rotary positive displacement machines since 1868. Aerzen USA works in affiliations with Vistage International, WEFTEC, the International Association of Operative Millers and Powder and Bulk Engineering.