VAT Group AG develops and manufactures vacuum valves, modules, bellows and related services. It operates through following segments: Valves, Global Services and Industry. The Valves segment manufactures valves used in advanced vacuum-based manufacturing processes. The Global Services segment provides a wide range of services to its customers through its Global Services teams based in the USA, Japan, Korea, Taiwan, China, Singapore, Germany and Switzerland. The Industry segment focuses on welded bellows for vacuum and non-vacuum applications in the semiconductor industry, in medical technology, research & development and the automotive industry. The company was founded by Siegfried Schertler in 1965 and is headquartered in Haag, Switzerland.