Matheson Tri-Gas, Inc. is a supplier of industrial gases, medical gases, specialty and electronic gases, propane, gas handling equipment, gas purification systems, industrial safety equipment, and gas engineering services. It is headquartered in Irving, Texas, with more than 300 retail, plant and warehouse locations in the United States. Matheson supplies its gas products through all distribution methods: cylinder, bulk and pipeline.
Matheson is the North American operating entity, and the largest subsidiary of Taiyo Nippon Sanso Corporation (TYO: 4091), one of the top five suppliers of industrial, specialty, and electronics gases in the world, and the largest in Japan. Matheson Tri-Gas, Inc. adds to TNSC's reach with its own operations in China, Belgium, Korea, and India. TNSC is a consolidated subsidiary of Mitsubishi Chemical Holdings.