Tonami Shoyu was established in 1935 and has been run by the same family for four generations. Tonami Shoyu is located in Tonami city,Toyama. The nearbyShogawaRiverflows out from the mountains creating an area with extremely fertile soil. At the upper stream ofShogawaRiver, there is a famous World Heritage site, Shirakawago and Gokayama, containing beautiful historic architecture. 

Only carefully selected domestically-produced ingredients are used for their products. Tonami Shoyu specializes in production of small lots. Therefore they have a wide range of products. Tonami Shoyu strives to produce quality products using surplus agricultural products, thereby helping to adding value of it.