Hayashikane Sangyo Co., Ltd. manufactures and sells processed food products and animal feed primarily in Japan. The company operates through fisheries food, livestock food, and feed business segments, offering fish meat products including fish paste, fish hams and sausages; black hog pork such as Kirishima Black Hog brand processed meats; functional foods derived from aquatic and livestock resources like elastin-based materials; and assorted feeds for fish, livestock, and poultry. It also provides ancillary services including cold storage, real estate leasing of production facilities, and information processing. Hayashikane Sangyo maintains production plants in Shimonoseki, Yamaguchi Prefecture, and Miyakonojo, Miyazaki Prefecture, targeting domestic consumers, retailers, and aquaculture operators. Founded on January 15, 1941 as Yamaguchi Prefecture Can Co., Ltd. and renamed Hayashikane Sangyo through merger in 1955, the company is headquartered at 2-4-8 Yamato-machi, Shimonoseki City, Yamaguchi 750-8608, Japan. In recent developments, Hayashikane Sangyo announced an equity buyback program in September 2025 for up to 303,200 shares representing 3.59% of its issued capital at a cost of 270 million yen, with the plan expiring later that month; it continues share repurchases as reported in filings through May 2025 and released its fiscal 86th annual report covering April 2024 to March 2025 in June 2025.