Nissui Corporation is a Tokyo-based group whose businesses span marine products, food products, fine chemicals and general distribution. The company traces its origins to May 1911, when Ichiro Tamura established the Tamura Steamship Fishery Company in Shimonoseki, Yamaguchi Prefecture, and it gives 1943 as its date of establishment. Its food business makes frozen ready meals, chilled foods including surimi-based products and shelf-stable goods such as fish sausages, as well as meals for convenience stores and foodservice customers.
Nissui is listed on the Prime Market of the Tokyo Stock Exchange and reported 11,526 consolidated employees at 31 March 2026. Teru Tanaka is Representative Director, President and CEO. Its overseas network includes three UK companies, among them Flatfish Ltd. Food Engineering ranks Nissui 95th in its 2026 Top 100 Food and Beverage Companies, with food sales of $5,622 million (881,136 million yen) for the year to March 2026.