CTCI Corporation provides engineering, procurement, and construction services in Taiwan, Asia, and the United States. The company operates through Construction Engineering Department, Environmental Resource Department, Sales Department, and Other Operating Departments segments. It offers services, such as project management; feasibility study and front-end engineering design; engineering; procurement; fabrication; construction; commissioning; intelligent solutions; automation and control; clean room and mechanical, electrical, and plumbing engineering solutions; intelligent structure jacking and movement; ground freezing; and operations and maintenance services. The company also provides stationery equipment, including pressure vessels; piping pre-fabrication and heat exchangers; pre-fabricated parts of package equipment; and assists with engineering works comprising basic design, equipment sizing, engineering and shop drawings, etc.; and performs equipment inspection/revamping, plant shut-down inspection, and plant maintenance works. In addition, it offers chemical additives consisting of antifouling agents, anti-polymerization additives, and corrosion inhibitors for petrochemical plants; antifoam, antifouling, and emulsion breaking additives, as well as corrosion inhibitors for refinery plants; and heavy metal chelate agents, heavy metal stabilizers, boiler water treatment additives, and active carbon products for incineration plants. Further, the company provides intelligent energy management system, an integrated software that monitors, analyzes, adjusts, and manages energy consumption. It serves the hydrocarbon, power, environmental, transportation, and industrial markets. CTCI Corporation was incorporation in 1979 and is headquartered in Taipei, Taiwan.