, commonly known as NSHD, is a holding company that oversees group companies including the major industrial gas manufacturer Taiyo Nippon Sanso and the stainless steel thermos manufacturer Thermos. It is a consolidated subsidiary of the Mitsubishi Chemical Group.
NSHD is one of the major global supplier of industrial gas, with operations in Japan, the United States, Europe, and the Asia-Oceania region. It operates in more than 30 countries through its own brand, subsidiaries, and affiliate companies.
Nippon Sanso was first established in 1910 as the Nippon Sanso joint-stock company and formally founded as the Nippon Sanso Corporation in 1918. In 1989 it acquired Thermos Japan and Matheson (compressed gas & equipment). On 13 May 2014, Mitsubishi Chemical Holdings announced an agreement for Taiyo Nippon Sanso to become an affiliate of Mitsubishi Chemical, a core company within the Mitsubishi group. Mitsubishi Chemical subsequently increased its stake in Taiyo Nippon Sanso to 50.5%. In 2020 the company was renamed to Sanso Holdings Corporation as it transitioned to a holding company.
NSHD's primary products include: