Nippon Sanso Matheson (NSM, formerly known as Matheson Tri-Gas) is a company that produces and supplies industrial and specialty gases as well as gas handling equipment. It offers liquids, laser mixtures, semiconductor and medical gases, etc. The company designs and manufactures gas equipment products, including regulators, flow measurement, gas handling, filters, etc. Nippon Sanso Matheson caters to food, healthcare, electronics, metal fabrication, and other industries.