FIRSTEC Co., Ltd engages in the design, manufacture, and sale of various products for defense industry worldwide. It offers guided weapon products, including drive, guidance control, launch control, and wiring devices; electric battlefields, cooling systems, and automatic fire extinguishing systems for mobility and firepower systems; avionics, driving device, propulsion/fuel, environmental control, and structural test devices for aerospace industry; mechanical devices and cooling systems for submarines, ships, and minelayers; and aerial and ground drones, and maritime unmanned aerial vehicles. The company was founded in 1975 and is headquartered in Changwon-Si, South Korea.