Welcome to Kilittaşı We founded Kilittaşı ın 2008 with the purpose of providing high quality solutions in the area of civil and environmental engineering problems. Through following the recent trends in technology and academic developments, we are dedicated to be a leader in solution of unique civil engineering problems. With this dedication, we offers a full range of engineering services for energy projects such as hydropower and wind power plants, civil engineering structures and environmental technologies. Please do not hesitate to contact with us for your feedbacks and questions.