Butler National Corp is a diversified operating company with two main businesses: aerospace products and gaming-related professional services. In aerospace, it designs, engineers, manufactures, installs, repairs, and services aircraft modifications, avionics, structural components, and defense-related systems, with a focus on special mission and STC-approved upgrades. In gaming, it manages the Boot Hill Casino and Resort in Dodge City, Kansas, including traditional casino operations and sports wagering through a DraftKings-branded sportsbook. The company was incorporated in 1960 and operates as a holding company that allocates capital across these businesses while pursuing new aircraft modifications and income streams.