Butler National Corp. engages in the design, engineering, manufacture, sale, installment, and repair of aerostructures, aircraft components, avionics, accessories, subassembles, and systems. It operates through the Aerospace and Professional Services segments. The Aerospace segment offers aircraft modifications, special mission and regulatory-driven aircraft solutions. It provides systems integration, engineering, manufacturing, installation, service, overhaul and repair of aircraft and aircraft-related products. The Professional Services segment provides professional management services in the gaming industry. It also offers professional architectural, engineering and management support services. The company was founded in 1960 and is headquartered in New Century, KS.