Taiyo Nippon Sanso Corporation, commonly known as TNSC, is a Japanese multinational industrial gas manufacturer incorporated in the year 1910 as Nippon Sanso Corporation.
The company is Japan's largest industrial gas producer and among top five industrial gas suppliers in the whole world.The company currently operates in more than 15 countries worldwide via its own name and subsidiaries.
TNSC is headquartered in Tokyo, Japan with more than 50 subsidiaries and affiliates in other countries. Since May 2014, Taiyo Nippon Sanso has been an affiliate of Mitsubishi Chemical, which is a part of the core Mitsubishi group.