National Chung-Shan Institute of Science and Technology

National Chung-Shan Institute of Science and Technology (NCSIST; Chinese: 國家中山科學研究院; pinyin: Guójiā Zhōngshān Kēxué Yánjiùyuàn) is a Taiwanese state owned corporation, formerly part of the Ministry of National Defense's Armaments Bureau, which is active in the development, manufacturing, support, and sustainment of various weapons systems and dual use technologies.

NCSIST was established by the Taiwanese government to serve as a military R&D and systems integration center. In 2014 it became an administrative corporation owned by the Government of Taiwan. NCSIST is involved in product development, manufacturing, delivery, total life cycle sustainment and maintenance.^[4] NCSIST fulfills a function comparable to the American Defense Advanced Research Projects Agency (DARPA) but they also assume mixed roles in competing for and awarding research and development, integration and manufacturing contracts. Along with the Aerospace Industrial Development Corporation, NCSIST it is considered to be one of the two Taiwanese prime defense contractors.^[5] It is one of the 100 largest defense companies in the world.^[6]