Nissui Corporation engages in marine, food products, fine chemicals, distribution, and marine-related/engineering businesses in Japan and internationally. The company engages in the provision of salmon, Alaska pollock, yellowtail, shrimp, tuna, crab, and yellowtail products, as well as fish feed, oil, and meal products. It also produces and sells frozen foods for household and food service use, shelf-stable foods, and fish sausage and surimi-based products, as well as chilled foods. In addition, the company produces and supplies fine chemical products, such as eicosapentaenoic acid (EPA) for pharmaceuticals; and ingredients for functional foods, health products, supplements, and other health-related foods that contain EPA. Further, it is involved in integrated logistics service business; and building, repairing, and operating ships. The company was formerly known as Nippon Suisan Kaisha, Ltd. and changed its name to Nissui Corporation in December 2022. The company was founded in 1911 and is headquartered in Tokyo, Japan.