Diebol, Inc. (NYSE: DBD) (pronounced /ˈdiːboʊld/) is a United States-based security systems corporation that is engaged primarily in the sale, manufacture, installation and service of self-service transaction systems (such as ATMs), electronic and physical security products (including vaults and currency processing systems), voting machines, and software and integrated systems for global financial and commercial markets. Diebold was incorporated under the laws of the State of Ohio in August 1876, and is headquartered in the Akron-Canton area; its mailing address is the city of North Canton, but its physical address is located in the city of Green.