Tekfen Holding

Tekfen Holding Co., Inc. is a Turkish conglomerate headquartered in Istanbul, founded in 1956 by the civil engineers Feyyaz Berker, Nihat Gokyigit and Necati Akcaglilar. It operates through three main business lines, engineering and contracting, agricultural industry and investment activities, spanning thirty eight companies and thirteen subsidiaries in Turkey and abroad. The company is listed on the BIST 100 and Sustainability indexes of Borsa Istanbul, and in 1999 it established the Tekfen Foundation to support education, health, culture, art and environmental protection. This description is adapted from Wikipedia contributors under CC BY-SA 4.0; changes were made. https://creativecommons.org/licenses/by-sa/4.0/