CTCI Corporation engages, an engineering, procurement, and construction (EPC) services provider in Taiwan, the United States, and internationally. It operates through Engineering Services, Environmental Resources Service, General Sales Department, and Other operating segments. The company 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. It also provides stationery equipment, including pressure vessels; piping pre-fabrication and heat exchangers; assists with engineering works comprising basic design, equipment sizing, engineering, and shop drawings; and performs equipment inspection/revamping, plant shut-down inspection, and plant maintenance works. In addition, the company 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 software. It serves the hydrocarbon, petrochemical, power, environmental, refinery, transportation, technology facility, and industrial markets, as well as LNG receiving terminals. CTCI Corporation was incorporation in 1979 and is headquartered in Taipei, Taiwan.