NJS Co., Ltd. operates with its subsidiaries primarily in water and environmental consulting, digital transformation, and customer services in Japan and internationally. It offers community and environmental solutions, infrastructure solutions such as water supply and sewerage system planning, and software and system construction services. The company also develops drones, robotics, sensors, and data analysis for inspection, and provides customer services including information dissemination and communication. Formerly known as Nippon Jogesuido Sekkei Co., Ltd., it changed its name to NJS Co., Ltd. in April 2015. Incorporated in 1951, it is headquartered in Tokyo, Japan.