Antonov State Company (Ukrainian: Державне підприємство "Антонов"), formerly the Antonov Aeronautical Scientific-Technical Complex (Antonov ASTC) (Ukrainian: Авіаційний науково-технічний комплекс імені Антонова, АНТК ім. Антонова), and earlier the Antonov Design Bureau, is a Ukrainian aircraft manufacturing and services company. Antonov's particular expertise is in the fields of very large aeroplanes and aeroplanes using unprepared runways. Antonov (model prefix An-) has built a total of approximately 22,000 aircraft, and thousands of planes are currently operating in the former Soviet Union and in developing countries.^[1]

Antonov StC is a state-owned commercial company. Its headquarters and main industrial ground are located in and adjacent to Kiev.^[2]