TUSAS Engine Industries Inc. (TEI) is an incorporated company established in 1985 as a joint venture of Turkish Aerospace Industries Inc. (TAI), General Electric (GE), Turkish Armed Forces Foundation (TAFF) and Turkish Aeronautical Association (TAA). TEI has become an international manufacturer and a global design center with the high quality products and services it offers to aviation industry, and it 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 manufacturing, 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. Today, TEI continues its operations within this framework, focusing its investments and initiatives on its main fields of activity, which are: 1. Parts and Module Manufacturing 2. Engine Assembly and Testing & Engine Maintenance,Repair and Overhaul 3. Engine Design and Product Development Holding a significant position for manufacturing of aircraft engine parts, TEI has formed a strategic partnership with Gur Metal Hassas Dokum Sanayii A.S. in 2018 in order to reduce foreign dependency of Turkey in defense industry.