Ostim Endüstriyel Yatirimlar ve Isletme A.S. operates as a construction company in Turkey. It constructs substations, electromechanical and automation projects, oil and gas project, power plants, sunflower oil plants, telecom projects, conveyor systems, steel tanks, plazas, complexes, steel tanks, finance and metro centers, techno parks, thermal projects, immovables, and housing and hospital facilities. Ostim Endüstriyel Yatirimlar ve Isletme A.S. was incorporated in 1998 and is based in Ankara, Turkey.