Pfeiffer Vacuum Technology AG engages in the development, manufacture, and marketing of components and systems for vacuum generation, measurement, and analysis. The company is headquartered in Asslar, Hessen and currently employs 3,945 full-time employees. The firm develops, manufactures, and markets components and systems for vacuum generation, measurement, and analysis, as well as for leak detection. The company also provides sale and service of vacuum pumps, vacuum components, and instruments, as well as vacuum systems. The firm's product portfolio is marketed under the Pfeiffer Vacuum and adixen product brands. The firm's product portfolio is divided into the areas of vacuum generation, vacuum measurement, and analysis; installation elements; vacuum chambers, and vacuum systems. The company includes a range of hybrid and magnetically levitated turbopumps, oil-lubricated and dry-compressing low and medium vacuum pumps, leak detectors, mass spectrometers and gauge heads, backing pumps, leak detectors, measurement and analysis devices, vacuum components as well as vacuum chambers, gauges, vacuum stations, and systems along with other supporting services.