Aerostar S.A. engages in the manufacture, integration, upgrade, and maintenance of aviation and ground defense systems for the civil aviation industry in Romania and internationally. It offers aerostructures, components, and parts and subassemblies; and landing gears and hydraulic systems, as well as maintenance and repair services. The company is also involved in the MRO and upgrades for military aircraft; and production and integration of electronic, communication, and IFF systems on ground, naval, and airborne platforms. In addition, it manufactures ground defense systems, such as rocket launchers, variants, and configurations; firing subsystem, reconnaissance and data subsystem, command and control system, and logistic support subsystem; and military equipment, including engineering equipment, truck mounted howitzers, and armored vehicles. The company was founded in 1953 and is headquartered in Bacau, Romania. Aerostar S.A. is a subsidiary of IAROM S.A.