Retailer Ulta Beauty has cracked the Fortune 500 list, securing its place among the country’s most successful companies. Fortune’s 64th annual list ranks companies by revenue. The media company said firms on the list total $12.8 trillion in revenue — two-thirds of the U.S. gross domestic product. As a group, they have 28.2 million employees worldwide, making them “the most important engine of both the U.S. and the global economy.”