CTCI Advanced Systems Inc., with its subsidiaries, provides engineering, research, planning, design, procurement, integration, manufacturing, installation, adjustment, maintenance, and operation of software and hardware in Taiwan and internationally. It also imports and sells computer software, hardware, and instruments; offers information software, data processing, and digital information development and application services; energy technology and internet identity services; long-term care services; engineering and computer technical services; automation control, traffic tracking and communication engineering, safety equipment, piping engineering, and mechatronics services; and consulting on engineering and management. Additionally, it provides geotechnical construction services such as geological surveys, soil test analysis, and soil improvement, as well as planning, design, and supervision for civil and traffic construction projects. The company offers Valmet D3, a DCS and batch control management system, along with instrument installation, control system engineering, system revamping, advanced process control, dynamic simulation, SCADA, calibration and loop test work, real-time database and plant information management, and monitoring, control, and management systems for oil and gas transportation and storage. Incorporated in 1987, it is headquartered in Taipei, Taiwan.