Tekfen Holding AS engages in the contracting, agricultural service, and real estate development industries. It operates through the following segments: Contracting, Agriculture, Real Estate, and Other Operations. The Contracting segment offers infrastructure and industrial projects. The Agriculture segment consists of chemical fertilizer; ground and vegetable grain; and production, distribution, and trade of seedling and sapling. The Real Estate segment involves in the design, construction, least, and sale of real estate properties such as residents, offices, shopping centers, and hotels. The Other Operations segment comprise of light-pulp trading; cotton yarn production and trading; insurance services; and holding operations. The company was founded by Feyyaz Berker, Ali Nihat GÃ¶kyigit and Necati Akcaglilar in 1956 and is headquartered in Istanbul, Turkey.