Takuma Co., Ltd. engages in the design, construction, and superintendence of various boilers, plant machineries, pollution prevention and environmental equipment plants, heating and cooling equipment, and feed water/drainage sanitation equipment and facilities in Japan. It operates through four segments: Domestic Environment and Energy Business, Overseas Environment and Energy Business, Package Boiler Business, and Equipment and Systems Business. The company engages in the construction of waste treatment and sewage plants for local government and facilities; and power retail business, as well as provides after sales services, including plant maintenance, operation management, and O&M. It also constructs and maintains biomass power plants and energy from waster plants. In addition, the company manufactures, sells, and maintains general purpose boilers, such as boilers and vacuum-type hot water heaters, which are used as heat-source equipment at shopping centers, factories, and other facilities, as well as clean equipment and washing systems for use in the semiconductor industry; and designs and fabricates building equipment, including air-conditioning, water, and wastewater systems. Takuma Co., Ltd. was formerly known as Takuma Boiler Manufacturing Co., Ltd. and changed its name to Takuma Co., Ltd. in 1972. The company was incorporated in 1938 and is headquartered in Amagasaki, Japan.