Karahan İnşaat, is a construction company which is founded by Recai KARAHAN in 1990. Our vision is being productive. We want to improve the efficiency and effectiveness of our company operations.Our mission is to keep quality on all of our projects. Quality is one of the main criteria in our corporation. Karahan İnşaat is cerrtified partner of ISO’s management system standards - ISO 9001 and ISO 14001.