Mitsubishi Kakoki Kaisha 

Mitsubishi Kakoki Kaisha, Ltd. is an engineering and construction firm specializing in industrial and chemical plants, as well as environmental management systems, with a global reach. Its operations are structured into two primary divisions: Engineering and Machinery. The Engineering division focuses on developing and building installations for city gas, petroleum, and hydrogen production, diverse chemical engineering facilities, and critical environmental infrastructure such as sewage, industrial wastewater, and general water treatment solutions. Conversely, the Machinery division manufactures and supplies a comprehensive array of industrial equipment. This includes oil purification units, separation and filtration systems, seawater screening apparatus, and mixing devices, alongside other specialized industrial machinery like centrifugal separators. Founded in 1935, the company initially operated as Kakoki Seisaku, Ltd. before adopting its current designation, Mitsubishi Kakoki Kaisha, Ltd., in 1938. Its corporate headquarters are located in Kawasaki, Japan.