Kanadevia

Kanadevia Corporation, formerly Hitachi Zosen, was founded on April 1, 1881 and established on May 29, 1934. The head office is in Suminoe-ku, Osaka, with a second head office in Shinagawa-ku, Tokyo.

The business covers the design, construction and manufacture of waste to energy plants, desalination plants, water and sewage treatment plants, process equipment, precision machinery, bridges, hydraulic gates and disaster prevention equipment. The group reports 12,666 consolidated employees as of March 31, 2026.

The marine engine business was transferred on April 1, 2023 to a separate company, now named Kanadevia Marine Engine Co., Ltd. Kanadevia itself develops and sells SCR systems for vessels, building on denitration technology proven at onshore plants.