Wal-Mart Stores, Inc. , branded as Walmart since 2008 and Wal-Mart before then, is an American public multinational corporation that runs chains of large discount department stores and warehouse stores. The company is the world's 18th largest public corporation, according to the Forbes Global 2000 list, and the largest public corporation when ranked by revenue. It is also the biggest private employer in the world with over 2 million employees, and is the largest company in the world.
The National Collegiate Cyber Defense Competition is the championship event for the Collegiate Cyber Defense Competition system – the largest college-level cyber defense competition in the USA. The event is held annually in the San Antonio area.