NJS Co., Ltd., together with its subsidiaries, primarily engages in water and environmental consulting, digital transformation, and customer services business in Japan and internationally. The company provides community and environmental solutions, including global environmental, water environment, urban development, and disaster prevention and mitigation solutions; infrastructure solutions comprising survey and planning of water supply and sewerage system, pipeline, treatment plant, infrastructure management, and management consulting; and survey and planning, infrastructure development, and operational capacity building support services. It also offers software, system construction and operation services, infrastructure management services, disaster prevention and mitigation, business operations, and AI utilization system; develops drones, robotics, sensors, and data analysis used for inspection; and customer service, such as information dissemination, customer relations, and communication services. The company was formerly known as Nippon Jogesuido Sekkei Co., Ltd. and changed its name to NJS Co., Ltd. in April 2015. The company was incorporated in 1951 and is headquartered in Tokyo, Japan.