The most successfull burger restaurant and one of the greatest restaurant in the world is "MC'donalads" ,That company invented the fast food and the burger mostly for now, there is no living adult who dont know the name of the company. "McDonald's is an American fast food company, founded in 1940 as a restaurant operated by Richard and Maurice McDonald, in San Bernardino, California, United States. They rechristened their business as a hamburger stand. The first time a McDonald's franchise used the Golden Arches logo was in 1953 at a location in Phoenix, Arizona. In 1955, Ray Kroc, a businessman, joined the company as a franchise agent and proceeded to purchase the chain from the McDonald brothers. McDonald's had its original headquarters in Oak Brook, Illinois, but moved its global headquarters to Chicago in early 2018." --- FROM wikipedia