Founded in 1926, Matheson Tri-Gas produces and supplies industrial and specialty gases and gas handling equipment in the United States. The company provides semiconductor, medical, welding, atmospheric and cylinder gases for customers using gas in their plants and processes. It also designs and manufactures gas purification systems, generators, filters, purifiers, detection equipment, control valves and management accessories. Matheson Tri-Gas offers gas cylinder enclosures, source manifolds and panels, as well as helium recovery solutions. In addition, the company provides support, engineering and systems management services for analytical laboratories and semiconductor manufacturers worldwide. It sells products directly and online, as well as through a network of distributors. The company has plant and research and development facilities in North America, Europe and Asia. Matheson Tri-Gas operates as a subsidiary of Japan-based Taiyo Nippon Sanso Corporation.