Culver Franchising System, LLC, doing business as Culver's, is an American fast-casual restaurant chain. The company was founded in 1984 by George, Ruth, Craig, and Lea Culver. From Wikipedia
The ranking, released ahead of International Burger Day, highlights In-N-Out, Habit Burger Grill, and Shake Shack as the nation’s top three burger chains based on consumer reviews.
