A Chart Industries Company The name AirSep Corporation has been synonymous with air separation equipment and technology for more than 25 years. Air separation equipment is manufactured by AirSep in the form of medical oxygen concentrators for individuals' therapeutic needs and oxygen generating systems for a wide variety of commercial oxygen applications, including steel and paper mills, glass factories, and environmental applications. AirSep's use of pressure swing adsorption (PSA) air separation technology enables a limitless base from which to meet on-site oxygen and other production capabilities.