Maesawa Industry Co., Ltd.

Maezawa Industries, Inc. is a Japanese manufacturer of valves and water control gates together with water and wastewater treatment facilities. Its product information and solutions portfolio covers valves and water control gates, water supply treatment equipment, sewage treatment equipment, industrial water treatment facilities, and biogas plants, serving municipal water infrastructure across Japan, including through regional branches such as its Kyushu branch.

The company, which convened its 80th ordinary general meeting of shareholders, has transitioned to a holding company structure under MAEZAWA HOLDINGS CO., LTD., with the initial listing of the holding company approved in 2026. Maezawa publishes investor relations materials, corporate governance and sustainability information, and participates in industry events such as waterworks exhibitions, supporting reliable water cycle infrastructure with its valve and gate technology.