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 airplanes and airplanes insensitive to runway quality. Antonov (model prefix An-) is the most common airplane brand on the planet, with total of 22,000 aircraft built and thousands of planes currently operating in the former Soviet Union and the developing countries.
Antonov StC is a state-owned commercial company. Its headquarters and main industrial ground are located in and adjacent to Kiev.