Alarko Holding A.S., together with its subsidiaries, engages in the contracting, construction, land development, industry, trade, tourism, and energy businesses in Turkey and internationally. It designs, develops, and builds projects, such as airports, rail systems, roads, infrastructure systems, power plants, industrial facilities, business centers, hotels, hospitals, etc. The company also engages in the power generation, and electricity distribution and retail sale. In addition, it manufactures air handling units and roof top units under the CARRIER brand; condensing combi-boilers and wall-type/floor-mounted condensing boilers under the Alarko brand, as well as auxiliary equipment, such as boilers, expansion tanks, unit heaters, and plate exchangers; and submersible pumps and motors, circulation pumps, and booster pumps under the Alarko brand. Further, it operates hotels, sports centers, spa centers, and movie theaters; publishes Hillsider magazine; constructs, manages, and operates commercial and residential buildings; and designs and offers satellite towns. Additionally, the company markets industrial products and after sales services; and tools related to real estates. It also engages in supply of water and cleaning of lake projects; and subway construction, copper facility, and highway construction projects, as well as construction, montage, and installation works. Alarko Holding A.S. was founded in 1954 and is headquartered in Istanbul, Turkey.