Tusaş Engine Industries (TEI; Turkish: TUSAŞ Motor Sanayii A.Ş.)
is an aerospace engine manufacturer and a design center for the production of engines and engine parts for commercial and military aircraft.
It is based in Eskişehir, Turkey.
[1][2] TEI was founded in 1985 as a joint venture between GE Aviation and Turkish Aerospace Industries (TAI), the Turkish Armed Forces Foundation,[3] and the Turkish Aeronautical Association.
[4][5] The company started with component manufacturing for the General Electric F110 engines in the F-16 aircraft of the Turkish Air Force.