C.I. Group Public Company Limited manufactures and distributes air conditioning and refrigeration products and parts in Thailand and internationally. The company provides D-Coat, 5MM, aluminum, condenser, water, evaporator, and tube-in-tube exchanger coils; heavy duty air purifiers, air handling units, air cooled condensers, condensing units, unit coolers, and air purifier; and chillers. It also offers building envelope products, such as KingZip, a zipped roofing system; K-Dek; foilback systems, including gutters, safety systems, light solutions, and specialist fabrications; BENCHMARK and Kingspan insulated products; architectural wall panels; and cold store systems. In addition, the company provides ARII smart solutions, a software solution for energy and environmental meters, and cold room packs. Further, it offers coil replacement and AHU renovation; M&E design; and cold room/store and smart solutions design and installation services. Additionally, the company provides maintenance and inspection services for air conditioning and refrigeration products and parts; locomotive construction and maintenance services; construction of electricity production and distribution systems; manufactures and distributes rubber gloves and medical equipment, and water supply systems; and generates solar power, as well as operates a hotel and supplies water for manufacturing and distribution. It also exports its products. C.I. Group Public Company Limited was founded in 1983 and is headquartered in Pathum Thani, Thailand.