Tohto Suisan Co., Ltd. engages in the wholesale of marine products in Japan and internationally. The company offers fresh and frozen tuna; fresh and farmed fishes; gourmet fishes, shellfishes, and live fishes; processed, preserved, and dried fishes; and frozen and salt cured fishes. It is also involved in the cold storage and related business; and real estate leasing business. Tohto Suisan Co., Ltd. was founded in 1935 and is based in Tokyo, Japan.