Nitto Seimo Co., Ltd. engages in the manufacture and sale of fishery-related machineries and other products. It engages through the following segments: Fishery-related, Onshore-related, and Others. The Fishery-related segment provides various nets such as trap nets, purse seines, trawls, and fish farming and laver cultivation nets. The Onshore-related segment offers insect screen, ropes, animal damage protection nets, various sports nets, and civil engineering and construction nets. The Others segment manufactures and repairs industrial machineries and transport equipment. The company was founded by Teruaki Kobayashi on August 1, 1910 and is headquartered in Tokyo, Japan.