Alarko Holding A.S., together with its subsidiaries, operates in energy, construction, land development, industry and trade, tourism, investment, and agriculture fields. It engages in the energy production, distribution, and trading activities. The company is also involved in the contracting activities in the various projects, including airports, highways, subways, high-speed trains, light rail systems, energy facilities, pipelines, industrial plants, treatment plants, business centers, hotels, and hospitals. In addition, it engages in the development of residential spaces; and manufacturing heating, cooling, and air conditioning equipment. Further, the company operates hotels, sports and spa centers, and movie theaters. Additionally, it is involved in the greenhouse, fertilizer, food processing, and seed breeding activities; equity fund, private equity, and venture capital investment activities; and aviation and aircraft technical maintenance activities. The company was founded in 1954 and is headquartered in Istanbul, Turkey.