Mitsubishi Kakoki Kaisha, Ltd.

Mitsubishi Kakoki Kaisha, Ltd. (MKK) is a Japanese engineering and manufacturing company founded in 1935. The company operates through two main segments: Engineering and Machinery. The Engineering business involves the design, procurement, and construction of industrial plants for city gas, chemicals, hydrogen, and water treatment. The Machinery segment manufactures and sells equipment such as oil purifiers, centrifugal separators, and filters for various industries including marine, energy, and food. While its primary role is an operating company, MKK also engages in strategic corporate investments, such as its participation in a 2023 funding round for the biotechnology firm Chitose Group.