The water treatment plant, the vital facility, and devices are electrical facilities such as power receiving and distribution facility, power generation facility, variable speed control equipment and rotating machinery, and other units such as various types of water quality measuring devices, and industrial measuring units. The process control system conducts automatic control based on such facilities and devices. Our system makes the total monitoring of such process control systems. In addition, in order to manage the facility information, we make the overall maintenance services on the overall on-site processing plants and the supervisory control system. While keeping the facility sound and contributing to the stable operation of the social infrastructure systems, we offer proven reliability and safety to our customers.