Part of the Commissary Eight Group, established in 1998. IFD specializes in manufacturing emergency rations and health foods using freeze-dry technology. The company holds both FSSC 22000 and ISO 22000 certifications.

A leading manufacturer and distributor of dried sweet potato established in 1948, headquartered in Hitachinaka, Ibaraki Prefecture. The company operates over 400 varieties of agricultural processed products and maintains an integrated system where subsidiaries handle sweet potato seedling cultivation and raw material production. In addition to dried sweet potato, the company handles kinako, potato starch, and Japanese flour products, and supplies OEM and private label products to supermarkets, convenience stores, and other retailers.

A food manufacturer specializing in agricultural dried products, founded in 1948 and based in Hitachinaka, Ibaraki Prefecture. As a specialized dried sweet potato manufacturer, it holds 90% of Japan's national production share in Hitachinaka. The company maintains a vertically integrated system covering seedling cultivation, raw material production, processing, and packaging. With over 400 product items in its portfolio, it also offers soybean-processed foods such as kinako (roasted soybean powder).

A freeze-dried product specialist manufacturer established in 1998. Part of the Kamisarieight Group. Manufactures freeze-dried instant soup products including egg soup, miso soup, and pork soup. Handles OEM production for major food manufacturers.