Maezawa Kasei Industries Co., Ltd. engages in the manufacture and sale of water and sewerage related products and environmental equipment. It operates through the following segment: Pipe Work Equipment, Water Treatment and Plastic Manufacture. The Pipe Work Equipment segment manufactures and sells water and sewer services related products. The Water Treatment segment designs, constructions, and maintenances large-scale merger treatment septic tank and industrial wastewater treatment facility. The Plastic Manufacture segment manufactures and sells housing parts and various plastic parts. The company was founded on July 15, 1937 and is headquartered in Tokyo, Japan.