TEI (TUSAS Engine Industries Inc. ) is an incorporated company established in 1985 as a joint venture of Turkish Aerospace Industries Inc., General Electric (GE), Turkish Armed Forces Foundation (TAFF) and Turkish Aeronautical Association (TAA). TEI, which has become an international manufacturer and a global design center today with the high quality products and services it offers to aviation industry, consistently moves forward step by step every day, accomplishing its corporate goals. TEI produced and delivered its first engine and engine parts in 1987, and since then, it has transferred production, assembly and testing technology of aircraft engine parts and modules to our country and also proved its success in global markets with its reliable, high quality production that meets international standards.