With a GDP of $385 billion, the Atlanta metropolitan area's economy is the 10th-largest in the country and among the 20-largest in the world. Corporate operations play a major role in Atlanta's economy, as the city claims the nation's third-largest concentration of Fortune 500 companies. It also hosts the global headquarters of several corporations such as The Coca-Cola Company, The Home Depot, Delta Air Lines, AT&T Mobility, Chick-fil-A, and UPS. Over 75% of Fortune 1000 companies conduct business operations in the city's metro area, and the region hosts offices of over 1,250 multinational corporations.