CNB operates in the following industries: aerospace and defense, hospitality and entertainment, environmental and construction services, information technology, healthcare, and security and safety.Ĭherokee Nation Businesses was established on June 16, 2004. CNB is a wholly owned subsidiary of the Cherokee Nation, the largest Native American tribe by population in the United States. Cherokee Nation Businesses, LLC (CNB) is an American conglomerate holding company headquartered in Catoosa, Oklahoma that oversees and manages several subsidiary companies.