Industry: Insurance Founded: October 21, 1918 (as Taishō Marine and Fire Insurance Co.) Headquarters: Tokyo, Japan Area served: Worldwide Key people: Yoshiaki Shin, Chairman Toshiaki Egashira, President About Mitsui Sumitomo Insurance Group Mitsui Sumitomo Insurance Group Holdings, Inc. is a Japanese insurance holding company headquartered in Tokyo, Japan. MSIG wasRead More →