Cherokee Nation Businesses, LLC (CNB) is an American conglomerate holding company headquartered in Catoosa, Oklahoma, that oversees and manages a number of subsidiary companies. CNB is a wholly owned subsidiary of the Cherokee Nation, which is the largest Native American tribe by population in the United States. The council controls less than fifty percent of CNB. CNB operates in the following industries: aerospace and defense, hospitality and entertainment, environmental and construction services, information technology, healthcare, and security and safety.