Japanese OEM Manufacturers

Founded in 1955, a konjac raw material manufacturer based in Shimonita Town, Gunma Prefecture. The HC Division comprehensively handles OEM contract manufacturing of konjac products, retort-processed foods, bottled drinks, and seasonings. HACCP certified since 2017. Also produces konjac flour and seaweed powder, with integrated capabilities from raw materials to finished products as a core strength.

A food OEM contract manufacturer based in Izumi, Osaka Prefecture. At its organic JAS-certified factory, the company produces additive-free foods such as jams, fruit syrups, and tsukudani (preserved foods simmered in soy sauce) from small lots. It offers one-stop services from ingredient sourcing and manufacturing to filling, label design, and shipping, meeting customer needs through high-mix, small-lot production.

A umeboshi (pickled plum) specialist manufacturer based in Shirahama Town, Wakayama Prefecture. Successfully commercialized Japan's first crispy ume product made from Kishu-grown plums, holding the No. 1 national market share. Manufactures umeboshi, ume paste, crispy ume, and related products at a Wakayama Prefecture hygiene management certified factory. Handles OEM contract manufacturing for major convenience stores, restaurant chains, and food manufacturers.

Established in 1991, Kyoto Grain System processes agricultural products through steaming, roasting, and grinding to produce beverage and food ingredients. The company holds both Organic JAS and FSSC 22000 certifications.

A startup founded in 2019 as a spin-off from Shinshu University. AKEBONO develops, manufactures, sells, and offers OEM services for gluten-free foods made with Shinshu-grown sorghum. Their dedicated workshop is completely wheat-free, ensuring zero cross-contamination.

Rice flour noodle specialist manufacturer established in 1988. Produces gluten-free rice flour noodles using 100% Miyagi Prefecture Sasanishiki rice. Their dedicated factory has never used wheat products since founding, and is adopted by school lunch centers. ISO 22000 certified.

Established in 1969. Built a dedicated rice flour noodle factory in 2022. Offers OEM production of 100% rice flour gluten-free noodles under the 'Umaimen' brand. Also handles rice vermicelli, pho, wonton wrappers, and rice flour sheets. ISO 22000 certified.

Sesame specialist manufacturer founded in 1883 in Tenma, Osaka. Produces roasted sesame, ground sesame, sesame paste, and sesame oil, with over 140 years of roasting expertise. FSSC 22000 and JAS Organic certified at their Yao factory. Small-lot OEM and PB production available.

A konjac, shirataki noodle, tokoroten, and agar expert, incorporated in 1973. Plans and manufactures approximately 1,600 product items, handling private brand and OEM contract manufacturing. Owns multiple manufacturing facilities in Gunma and Saitama Prefectures, flexibly accommodating both mass production and high-mix low-volume production. Holds a top-tier domestic market share.

A grain-processed food manufacturer established in 1959. Boasts top-class domestic production volume of kinako (roasted soybean flour) and rice flour. Manufactures a wide range of grain-derived products including joshinko (rice flour), rice flour, sesame, kinako, soybean flour, and barley tea. Holds FSSC 22000 certification and organic JAS certified factories. First company in Japan to obtain non-gluten rice flour certification.

Formerly 下仁田物産 (established in 1986). Operating a manufacturing facility in Shimonitamachi, Gunma Prefecture, a renowned production area for konnyaku, the company manufactures konnyaku, shirataki, tokotenten, and jelly products. Its flagship product is konnyaku jelly made with Gunma Prefecture-sourced konnyaku powder. FSSC22000 certified.

Headquartered in Saitama Prefecture with an in-house manufacturing facility, the company plans, develops, manufactures, and sells small-package liquid, paste, and powder seasonings. Certified with FSSC22000 and ISO9001. The company provides OEM contract manufacturing services for the school lunch industry, foodservice sector, and food manufacturers, handling everything from flavor development of original products to bagging and repacking in small batches and diverse product varieties. A second powder-specialized factory was newly established in 2023.

A pickled plum manufacturer headquartered in Minabe Town, Wakayama Prefecture. Founded in 1948, the company boasts over 70 years of expertise in plum products. Located in the birthplace of Nanko plums, it uses plums from a production area certified as a UNESCO World Agricultural Heritage Site. As a major pickled plum manufacturer with approximately 121 employees, the company supplies commercial-grade pickled plums and provides OEM manufacturing services. The company obtained SQF certification in 2020.

Established in 1973 as the food division of the Shikoku Kakoki Group. Committed to quality soybeans, nigari, and water, with over half a century of tofu-making expertise. Leverages the group's cutting-edge tofu manufacturing machinery and aseptic filling technology, operating from two production sites in Tokushima and Shizuoka. Offers an integrated product development system from planning to manufacturing.

A long-established food manufacturer with approximately 190 years of history, founded in 1837 (Tempo 8). The company manufactures and wholesales konjac, tokoroten (jelly noodles), and nikki kanten (cinnamon agar). While evolving traditional foods to suit modern tastes, the company also focuses on quality improvement, such as using plant-derived ingredients for coloring. Products have been presented at the Ise Grand Shrine Geku Dedication Market.

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 liquid seasoning OEM specialist founded in 1989, headquartered in Takatsuki City, Osaka. With over 35 years of experience and more than 1,000 product developments annually. Extensively handles hot pot-related seasonings including nabe tsuyu, motsu nabe, yosenabe, chanko nabe, and jjigae bases. Accommodates small-lot production starting from approximately 200 liters.

A sesame specialist manufacturer celebrating its 106th year. The company created the industry's first organic sesame category and implements thorough quality management extending to raw material sourcing regions. FSSC 22000 certification has been obtained at the Neyagawa factory. The organic JAS-certified organic sesame series holds the No. 1 national market share.

Founded in 1942, a umeboshi (pickled plum) manufacturer based in Minabe, the heart of Kishu plum country. An industry pioneer in obtaining ISO 22000 certification, with thorough quality and safety management at its headquarters factory. Specializes in manufacturing umeboshi and processed plum products using Kishu Nanko plums, with a Tokyo sales office for nationwide distribution. Also handles OEM and commercial manufacturing.

A umeboshi and plum wine manufacturer based in Tanabe City, Wakayama Prefecture. Produces a wide range of plum-based products including umeboshi, plum wine, plum jelly, plum jam, and plum extract. Joined the Marudai Food Group in 2011 and obtained Wakayama HACCP certification. Handles OEM and commercial product manufacturing with a two-factory system comprising the Hikigawa and Shirahama factories.